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How to use phone in accessing CCTV camera?
This is the general knowledge of access CCTV camera, IP camera through mobile phones. For our customers, we will do the job of the settings and configurations required for CCTV cameras and IP Cameras.
How to use phone in accessing CCTV camera?
First of all, you will need to use the mobile app that CCTV camera supplier provides (or if you have your own proprietary app). Example is like ivms-4500 for HikVision CCTV camera: How to Use HikVision CCTV App iVMS-4500 on iPhone & Android
Secondly, you need to decide how to access the CCTV camera: direct access or go through a third-party server (in market, people call it “plug-and-play”, “p2p”, or similar names
- Direct Access: you are directly communicating between your phone and your CCTV camera. This method doesn’t go through any third-party server. This is faster, more secure way to bridge the connection. But it might require you to have some basic network knowledge, such as DDNS, Port Forwarding, etc to get the job done.
- “Plug-and-Play”: this is for those who have no network knowledge, or prefer some simple ways to connect with the CCTV camera. The basic logic is, your CCTV camera is already pre-registered on a server (usually provided by the supplier). All you need to do is to activate it. The connection will be your phone -> server -> CCTV camera. Plug-and-play method is really simple to set your CCTV camera up, but I advise that you always choose those big names in CCTV camera for this service. Because of the nature of additional server, how they design the whole server system is the key to the security of your CCTV camera.
5 Reasons for Switching from Analog CCTV camera to IP Camera Surveillance System
The CCTV camera video surveillance system has become very important tool for home and office security. No doubt, the video surveillance system has enhanced the security. However, it can be made more successful with the addition of latest technology. Many companies have enhanced the video and image quality by adding cameras that are more powerful in the surveillance system. The addition of HD cameras in the security system provides more clear image and video of the occurrence. The clear video helps the investigation team to conclude the reports more quickly and virtuously.
In the early security systems, analog CCTV camera was used to capture the image and videos. This security system is still in use at many homes and offices. Although, the capturing result of the analog CCTV camera is low quality. Sometimes, it becomes very difficult to identify the culprits involved in the occurrence. With the passage of time, the latest HD cameras have been invented for office and home security. Moreover, the video recording options have also been modified and enhanced. Currently, IP camera is the most secure and effective surveillance system for home and office security. The homeowners and businessmen are switching their security system from analog CCTV camera to IP camera network. This article includes the top 5 reasons for switching from analog CCTV camera to IP camera surveillance system.
1. Better quality of sound and video:
IP camera system provides better quality of sound and video. The video and sound quality of the analog CCTV camera are usually interfered due to electrical noise and poor connectivity, especially when the distance from camera and DVR is more than one hundred meters. The IP camera is more resistant against electrical noise.
2. Security of recorded evidence:
In many cases, the robbers also take way the DVR device while attempting robbery. So, the victim cannot provide any recorded proof of the evidence. On the other hand, the NVR save the video directly on the network. The IP camera surveillance system is more safe and secure for recording the evidence.
3. Enhanced accessibility and manageability
The IP camera system is easier to manage and access. Now the user can view and video files from anywhere. Even you can access the videos of IP camera network through mobile applications and remote clouds. Simply, you need the internet connection to view and manage the files saved through NVR.
4. Easy power management:
The analog CCTV camera system needs separate power cables to operate cams whereas the IP camera mostly runs through POE (power on Ethernet). IP camera eliminates the issue of connecting separate power cables.
5. Cost effective for remote business management:
Although, the initial cost of NVR is slightly higher than DVR; however, the IP camera system is cheap and easy to modify and enhance. This system is ideal for attaching more cameras. The unique feature of IP camera surveillance system is the remote management of the business. The IP cam security system allows access to store and to manage the data of any work group from different locations. Therefore, the business can be managed remotely from multiple locations.
Want to install HikVision IP/HD-TVI Surveillance CCTV Camera for your home or office? Browse various types of HikVision IP Surveillance CCTV Camera packages, or find out more distinct features of our High Resolution IP Surveillance Cameras with NVR!
How CCTV Works
Closed circuit TV camera, typically abbreviated as CCTV camera, comprises at least one camera transmitting data to a monitor or video recorder. The data transmitted can either be video and audio, or video only. A CCTV camera must never be mistaken for an ordinary TV. An ordinary television receives publicly broadcasted contents while a CCTV doesn’t. In everyday use, CCTV cameras are fitted on buildings, gates, and other structures purely for surveillance purposes. The closed circuit system can either be used to monitor live proceedings like in a supermarket or documented for later reference.
CCTV camera components and their working
The complete closed circuit TV system (CCTV system) consists of:
- Security Cameras (Analog or Digital Camera)
- Cables (RJ45 or RJ59 Cables)
- Video recorders (DVR or NVR)
- Storage unit - typically Hard disk
- A display unit (Optional, such as a Monitor)
Security Camera
Security camera captures the video of the source. An opened aperture at the front of the camera captures light stream through the camera lens. The light stream is captured by a digital chip that is fitted inside the camera and is converted into the continuous stream of images. The camera records the signal to be transmitted either through cables or wirelessly. The distance between the camera and the object is determined by the camera lens specifications.
Infrared Light Emitting Diodes (IR LEDs) are used as sensing devices in CCTV cameras. The light sensor is used to detect the ambient light level i.e. it detects the brightness of light it receives and transforms it into a numeric value that tells the percentage of brightness.
Due to the digital technology employed in data recording and processing, it is possible to receive sharp images, clear audio and fewer signal interferences from the wireless cameras. This type of camera is often referred as “IP Camera” (we will talk in more details later)
Cables
The cables are just the wires that are used to connect different equipments like CCTV camera, monitor, recorders, modem etc. in a CCTV camera setup. For CCTV cameras, the cables used are either RJ45 or RJ59 cables. These cables, if RJ59, may include BNC connectors to connect camera to video output (such as Monitor), power connectors etc. As for a RJ45 cable, cat 5e or cat 6 cables are most frequently used in CCTV camera setup.
Video recorders
When a CCTV camera sends video signals that might be useful at a later date it must be documented somewhere. There are two main types of recorders namely digital and analog recorders. Nowadays, Digital Video Recorders (DVRs) or Network Video Recorders (NVRs) are used to record CCTV camera footage.
Digital Video Recorders (DVR)
Digital Video Recorder, or DVR, stores the transmitted video images in either stand-alone devices or an external storage backup system. The basic working principles of analog recorders and DVRs are closely related except that digital video recorders document the data in digital format. The video data is coded, stored and processed at DVR only. DVR can be easily accessed through a web browser, or CCTV centralised software, or a mobile application.
The number of images recorded on a digital video recorder depends on the following factors:
- The desired number of frames to be recorded in every second
- The total number of CCTV cameras linked to the DVRs
- The video image compression technique used.
- The DVRs image resolution, bitrate, etc
Network Video Recorder (NVR)
The NVR work same as DVR, only the difference is the inputs. Unlike DVR, the NVR takes its input from a network rather than the direct connection to a video capture device. NVR always works with IP camera. The video on the NVR is coded and processed at the IP camera and is stored on it for remote viewing. Furthermore, some additional functions like compression or tagging with Meta data can be done on NVR. The surveillance systems with NVR can be either wire, or wireless (By the way, wireless NVR works well theoretically, but in reality, wireless NVR is not the main stream because of the stability issue with the wireless signal), and can also be easily accessed through a web browser, or CCTV centralised software, or a mobile application.
Hard Disk
The Hard disk is a storage device which stores the video captured by the security camera so that it can be used later. These CCTV hard disks are fitted within the video recorders. To view the video recordings on the hard disk, you can directly connect the DVR or NVR to monitor.
Note that you should always choose those “surveillance grade” hard disks, which are designed to run 24x7 and made more durable compared with normal computer hard disks.
A display unit (Monitor)
The display unit, or a monitor, takes the video image from DVR, or NVR and outputs it on the screen. You can see the video or image on screen that is been captured by the camera. The monitor can be a monochrome screen or a colored screen. Nowadays, High Definition (HD) colored LED monitors are quite commonly used to watch the videos.
Different Categories of CCTV cameras
There are many ways to categorised CCTV cameras. We will use the following subheadings to classify CCTV cameras systems:
Wired and wireless CCTVs
All CCTV systems have to record and transmit the documented picture. Based on transmission mode there exist two categories of CCTV cameras;
- Wired cameras, those that transmit their video signals via a cable
- Wireless cameras that require no signal transmission cable
Wired CCTV systems typically use a communication cable similar to the one feeding antennas (RF cable). One major drawback in using wired CCTV cameras is that as the transmission range increases more than 300 meters, the signal may become weaker. To manage the problem, one should consider using appropriate networking cables (for example Cat6), as well as adding switches on the halfway, or use high-quality signal boosters.
In a multichannel closed circuit TV system, several cameras are strategically placed at various locations and can be designed to be interconnected through a multi-viewer circuit to allow close monitoring from a single computer or screen.
For a small house, to have non-messy interconnection, a multichannel system can use wireless CCTV cameras. Such cameras would negate transmission cables as only power lines would be a must, hence leaving behind a neat finishing. The wireless CCTV camera communication can cover 20 meters or even more. This might make such cameras ideal for complex structures.
But, the big drawbacks are the strength of the wireless signal, which is determined by the infrastructure of how you design your wireless network. Scientific research has already shown that wireless signal can drop by up to 90% if it goes through a concrete wall with steel inside. This can become a big issue when connecting the wireless CCTV cameras - unstable connection, hence loss of video records, is simply can’t be accepted for surveillance CCTV cameras.
Analog CCTV camera ( uses DVR) or Internet Protocol (IP Camera) (uses NVR) CCTV
Leaving technologies behind, to normal users, the primary difference between analog and more digitalized IP camera is the video image quality, in term of sharpness and video image resolution. The IP cameras come under wired or wireless category of CCTV camera. IP cameras use NVR and can provide a much higher image resolution (megapixels) than the conventional analog TVL CCTV cameras. IP cameras are therefore preferred conventional analog TVL cameras due to the following reasons:
- They require less amount of cables to be installed: a POE IP cameras require only one networking cable connecting it to the video recorder.
- Provides much sharper images than analog cameras
- IP digital signals are not so prone to signal interference
- IP cameras are easily accessible through a Web browser.
However, one major drawback in using IP surveillance cameras is that they are costly. A better option might be considering to use analog HD CCTV, in this article, we use HikVision HD-TVI CCTV camera as illustration. Although analog in nature, HikVision HD-TVI surveillance CCTV cameras can give high definition video images and possess night vision capability.
One point worth noting about HD-TVI CCTV cameras is that they are compatible with the older analog non-HD types. Hence, one can easily upgrade to the HD-TVI CCTV cameras.
How an IP camera operates
Internet protocol cameras (IP Cameras) provide surveillance function but through a digital network. These cameras rely on the computer network-both in sending and receiving information. The connection can either be through the wires (cat5e or Cat6) or Wi-Fi.
- Since the data exchange is through the internet, the operator doesn’t need to be in a fixed location all the time.
- When you connect an IP camera to network, and you can monitor your premises from any location.
- You just have to open the web browser on Computer, enter the Static IP address / or DDNS domain name of the camera, to watch the live feed; or you can just open smart phone application to do so.
- Though the IP cameras are tiny, they have high resolution and even give a high definition.
- These new-age IP cameras can be remotely accessed, controlled, and repositioned as desired. You don’t have to be physically near the camera to rotate it to a given angle.
Furthermore, some modern IP cameras are quite responsive to heat movement or sound. Therefore having been fixed in a room, the camera will only go live on the recording when there is an activity to be recorded. The IP camera won’t need to be adjusted to the direction of the incident; due to its sensitiveness to sound, it will automatically detect the origin of the sound and rotate, tilt and record the event.
Wide Dynamic Range (WDR) is also an important function for IP cameras. This function helps to digitally enhance the image quality in some certain scenes, to cope up with difficult lighting conditions. They can differentiate objects even in low light situations.
Typical uses of CCTV cameras
Crime detection or prevention
The chief use of CCTV cameras is for surveying an area with the aim of detecting and preventing crime. Most car parks, supermarkets, major stores and other public places fit surveillance cameras for this reason.
Industrial use
Monitoring of critical industrial processes mainly employs CCTV cameras and not human beings. This is very true in the case of chemical based or nuclear-based industries. For example, thermo-graphic CCTV cameras find unique application in nuclear fuel plant.
Traffic use
The main cities do experience huge traffic congestion or accidents. Closed circuit cameras can then be fitted along the streets so as to automatically record any accident or indicate the roads with more traffic jam.
Used in schools
In many developed countries, CCTV camera system is used to keep a check on students who are prone to vandalizing school properties or those who find pleasure in bullying their colleagues.
Transport industry
Surveillance cameras are also used in the transportation services. For example in an underground train, through the utilization of a surveillance camera, an operator can trace the passengers’ movements so as to know when to open or close the doors.
Monitoring employees
Major organizations and companies use CCTV cameras to keep track of employees in different sections. The cameras would send video signals for each process. Through that, it is possible to pinpoint for a delayed stage of production.
CCTV cameras are sometimes prone to vandalism hence rendering them ineffective. To overcome this problem, manufacturers, have come up with cameras which are resistive to different things like:
- An explosion proof casing
- Dust resistive housings
- Bullet resistive casings
Maid jailed for hurting employer's 94-year-old mum
Singapore, 12 July, 2017
This is the article from Straits Times on 12 July 2017. All rights reserved by SPH. Original Source: http://www.straitstimes.com/singapore/maid-jailed-for-hurting-employers-94-year-old-mum
Abuse came to light when CCTV footage was reviewed after victim was taken to hospital.
An Indonesian maid pushed her employer's elderly wheelchair- bound mother in the face and hit her on the back of her head.
The 28-year-old's actions were caught on closed-circuit television (CCTV) installed by her employer in their flat.
Imas Masripah's employer viewed the CCTV footage on May 17 last year, when her mother, Madam Ng Poh Lin, 94, was admitted to Tan Tock Seng Hospital after she said she was feeling weak.
Madam Ng was later warded for observation.
The footage showed that on May 12 last year, at about 7pm, Imas pushed Madam Ng in the face, and used her hand to forcefully hit her on the back of her head, when they were in the kitchen.
In her statements to the police, Imas said she hit Madam Ng because she was feeling frustrated that the victim spat out the food she was feeding her, and made the floor dirty. Two other charges of using criminal force and causing hurt to Madam Ng were taken into consideration.
Madam Ng was diagnosed with lethargy, and was found to have bedsores and a bruise on her lower lip. She died on June 10 last year due to unrelated causes.
Assistant Public Prosecutor Andrew Low asked for Imas to be given at least four months' jail because she had abused her employer's trust, and hurt a vulnerable victim.
Imas pleaded for leniency, saying she was sorry, felt regret for what she did, and would not make the same mistake again.
District Judge Terence Tay sentenced her to four months' jail yesterday, to send a strong deterrent message. As more families rely on maids to take care of the old and young, there is a greater exposure to the risk of abuse by these helpers, the judge said.
He added that vulnerable victims are not in a position to alert family members, and the crime can go undetected until there are more dire consequences.
The maximum penalty for causing hurt is two years' jail and a $5,000 fine.
Want to install HikVision IP/HD-TVI Surveillance CCTV Camera for your home or office? Browse various types of HikVision IP Surveillance CCTV Camera packages, or find out more distinct features of our High Resolution IP Surveillance Cameras with NVR!
Hikvision and Dahua: How to Choose? Which is Better?
In this ever-growing world of video surveillance, there are no other brands more famous and reputable than Dahua and Hikvision. If you, as a customer, have just started researching about the numerous surveillance options available in the market, you are bound to end up shortlisting both the aforementioned brands. And that is when you might just behold a dead end before you. It really is difficult to pick one of the two.
Generally speaking, both Dahua and Hikvision are very popular in the market. If you were to ask over the online forums, 50% of the people would recommend Hikvision over Dahua, while the remaining 50% would recommend Dahua over Hikvision. However, popularity alone cannot be the deciding factor. The other aspects of the two brands more or less cancel each other out.
While Dahua and Hikvision are ruling the roost, nobody has yet been able to point out the brand that takes the top spot. So, without further ado, let us begin our quest to expose the undisputed king of surveillance CCTV cameras.
The Differences between Dahua and Hikvision
Global Market Share: It is no surprise that Hikvision rules the global market shares with a 17% forecast in 2017 (reference from IHS). Dahua comes second with a forecast of 5.5%, which is considerably lesser than the former.
The Similarities between Dahua and Hikvision
CCTV Camera Singapore
Now that we have taken a look at the differences between the two top brands, let us comprehend the similarities.
ONVIF and RTSP: The Open Network Video Interface Forum (ONVIF) is an international forum that is responsible for creating a globally recognized standard for the interface of IP-based products. Both Hikvision and Dahua support this protocol. They are also compliant with the Real Time Streaming Protocol (RTSP) that grants access to all the non-ONVIF streaming software and hardware.
The Sensors: Both the brands install similar sensors in their products. For instance, both the DS-2CD2042WD-I and the IPC-HFW4421S have the popular 1/3” Progressive Scan CMOS sensor. Since this type of sensor is ideal for 3MP cameras and the two products above have a 4MP output, they are equipped with a 120dB WDR to enhance the quality of the output.
The Minimum Illumination: You would be surprised to know that both Hikvision and Dahua offer the same minimum illumination for their products in a particular class. Let us take the example of the DS-2CD2042WD-I and the IPC-HFW4421S again. Both these cameras can make a minimum illumination of precisely 0.01 lux and 0 lux with infrared switched on. Thus, you can expect optimum video quality in low light from both the products.
The Number of Simultaneous Streams: Most other brands of cameras are furnished with the regular dual-stream technology. Hikvision and Dahua, on the other hand, boast of the triple-stream technology! This means that their cameras can transmit three different resolutions of video streams simultaneously. However, only a select few of their products have the privilege of triple-stream; the others are equipped with dual-stream.
The Lens Variety: Both surveillance brands offer fixed lenses at varying focal lengths. Here, Dahua one-ups Hikvision by offering a better selection of lengths with each of their cameras. For instance, the Dahua IPC-HFW4431E-AS has three focal lengths at your disposal – 2.8mm, 3.6mm, and 6mm. Its Hikvision counterpart of the same class, the Hikvision IP Camera DS-2CD2143G0-IS offers similar focal lengths. (Further Reading: Hikvision vs. Dahua: Comparison of IP Camera DS-2CD2142FWD-IWS and IPC-HDBW4431E-AS)
The Maximum Bitrate: Both Hikvision and Dahua render similar max bitrate in most of their products.
The Prices: The CCTV Cameras, IP cameras, DVR, NVR, etc offered by Hikvision and Dahua are very close in price. As close competitors, Hikvision and Dahua have large variations of the products. Both brands offer really competitive prices compared with other established brands nonetheless.
Concluding Thoughts on Hikvision and Dahua
With so many similarities in the mix and the differences barely discernible between the two brands, it is a tough task to pick the winner.Hikvision, as the market leader, the higher streaming speed coupled with the best hardware money can buy renders top-notch video surveillance at an affordable price. As the inventor of HDCVI technology, Dahua is keeping a fast pace to chase the market leader. You can never go wrong with either Hikvision or Dahua.
Dahua vs. Hikvision: How to Make a Good Choice?
IP cameras appeared as an innovation in the security business, offering excellent features to clients who need high-resolution footage for lower prices.
Although initially these type of CCTV cameras were of low-range, with fixed lenses and very limited options, companies like Dahua and Hikvision launched CCTV camera models with the features of high-range products, such as remote focus, powerful zooming and high-quality audio, all of it for prices that were below the usual range.
Hikvision appeared in the surveillance market in 2001 and its success soon followed, becoming the leader of security technologies.
On the other hand, Dahua Technology, also founded in 2001, holds the second largest market share.
Both companies have dedicated their work to satisfy the requirements of those clients who look for quality solutions for the lowest price possible, that is, the most cost-effective options of the market.
Today, Dahua and Hikvision are practically must-be choices when it comes to a list of surveillance equipment providers. By offering similar products, these two companies frequently are hard to differentiate, so that is necessary to talk about the small but existing differences between them in order to help consumers make an informed purchase decision.
Understanding the main features of IP cameras
If you need to make a decision regarding which camera should you purchase, it is essential that you have a general idea of what do their features mean.
Therefore, before comparing both brands, we think it is important to explain at least the main characteristics of an IP camera.
1. The Range of Vision/Lens
This is a measure of the angle that can be covered by the IP camera. There are varifocal lenses that have a range of vision that can be lowered or increased. On the other hand, there are fixed lenses that can only offer an invariable angle.
Usually, a 2.8 mm lens opens 90-105°, making the range of vision go from wall to wall and a good quality image up to a linear distance of about 5-8 meters (focal length). The higher the number in millimeters, the narrower the angle of coverage is, but the longer the distance is covered.
Both brands of Hikvision and Dahua offer a variety of fixed and vari-focal lenses with their respective focal lengths, ranging from 2.8mm to even a few hundreds millimeters.
2. IP Camera Zoom
First of all, there are two types of zooms: digital zoom and optical zoom.
Security IP cameras with a resolution of 1080p (and higher) include a digital zoom. This feature is more efficient as the resolution goes higher, because with lower resolution cameras, the image gets pixilated when trying to zoom in for details.
The motorized vari-focal zoom function is highly useful. It allows users to adjust the coverage distance and the angle of coverage after installation. This Dahua 4MP IP Camera package includes the motorized vari-focal function.
3. Size of the Sensor in the IP Cameras
This feature has a big influence on the capability of the camera to record quality images even in low-light conditions. Generally speaking, the larger sensor in the IP camera will have a better performance in dark scenes.
With a small sensor, pixels get crammed resulting in a lot of noise and consequently, a poorly detailed image. On the other hand, larger sensor size will allow more pixels to be part of the image, reducing the noise and offering more sharpness.
Both brands of Dahua and Hikvision support a good level of minimum illumination but Dahua has an advantage in some models thanks to the superior sensors they use, which allows a better night view with Starvis® and Darkfighter® technology.
4. Bit Rate of the IP Cameras
The bit rate of a security camera describes the number of bits moving from one point to another in a network per second. Bitrate is measured in kilobits per second (Kbps) or megabits per second (Mbps).
For IP cameras, this number of bits include video and audio. For higher capacity cameras, bitrate is often measured in Mbps.
The maximum bitrate in Hikvision IP Camera can go to 12Mbps. Dahua’s maximum bitrate usually reaches 10 Mbps, although it is said that a bit rate of 10 Mbps is quite good for the usual needs.
5. Motion/Face detection
This is a desirable feature in surveillance systems. Motion detection is possible thanks to the comparison of consecutive images that the camera “understands” as the occurrence of movement in the scene under surveillance.
When IP cameras include the motion/face detection feature, there is a significant saving of storage space. Time is also saved since it makes the review of recorded images faster since it is possible to go directly to the scenes where movement occurs.
Facial detection in IP cameras is mostly used by companies, offices, buildings, houses and organizations that need to record the physical details of the people moving about. The inclusion of this feature in IP cameras can be quite helpful nowadays.
All the models from Hikvision and Dahua offer motion detection functions; while quite a large number of models from Hikvision and Dahua offer the function of face detection.
6. Simultaneous video streams
Both Dahua and Hikvision IP cameras come with the feature of "multiple video stream" which allows the output of more than one video streams at the same time. Different settings can be defined for each output regarding resolution, bitrate and other aspects.
The possibility of sending different and independent streams is a great advantage. Most of the Hikvision IP Cameras have dual streams (one main and one sub); while most Dahua IP Cameras have triple video streams (one main and two subs).
7. Missing Object Detection, Audio Detection, Scene Change Detections, etc
These are the smart functions included in most of the IP cameras of Hikvision and Dahua. They can be particularly helpful when there are such specific needs, such as you need to monitor a specific object like an expensive item in a store. If the camera detects the object is missing from the scene, it starts to record immediately and sends an alert to the system manager.
The possibility of detecting noises with your IP camera can be useful when you need the most detail about the area under surveillance. In some situations, it can be helpful to detect car alarms, objects being hit or broken, people screaming, etc. Those IP Cameras include audio detection that immediately sends an alert via email or smartphone to the security manager so that an action is taken. The camera should also be directed towards the place where the noise comes from.
Both Dahua and Hikvision have certain models that include these features.
8. Maximum Resolution
Camera resolution indicates how detailed the image will be. The higher the resolution, the better, and of course, the cost will be higher. Resolution is given by the measure of the images recorded by the camera. This measure is made in pixels (width x height) and it is also referenced as the multiplication of both numbers followed by the letters “MP”. Most of the IP camera models for both companies range between 1MP and 4K (8MP) but there are some models with even higher resolutions.
Which brand should you buy, Hikvision or Dahua?
This is a very particular decision. Since most of Dahua and Hikvision products are similar, the key is to define your specific needs and make a review of the functions each model offer in that regard.
As for the price, both brands offer very similar prices in most of their product variety, which is very competitive when compared to the rest of brands in the market. The good news is, whatever your choice is, you can be sure of purchasing high-tech equipment from one of the two leading brands of surveillance systems in the world.
Hikvision DS-2CD2143G0-IS vs Dahua IPC-HDBW1431E: IP Cameras Comparison
When it comes to video surveillance IP Camera, one simply can not stop comparing the top two brands – Hikvision and Dahua. The fun lies in analyzing the pros and cons of two different IP Camera products of the two brands in the same class. That way, you can get a clear glimpse into the minor differences that lie between the leading horses in the surveillance race. So let us don our thinking cap and compare Hikvision’s and Dahua’s newest offerings – the Hikvision IP Camera DS-2CD2143G0-IS and the Dahua IP Camera IPC-HDBW1431E respectively.
The IP Cameras, in General
Let’s try to decipher what both these IP Cameras have to offer when it comes to the main component of surveillance – the camera itself.
The image sensors of both the Hikvision IP Camera DS-2CD2143G0-IS and the Dahua IP Camera IPC-HDBW1431E are the same i.e. 1/3” 4 MP progressive CMOS, which means that you get top-notch sensors with both the products. The shutter speed range is also the same (1/3s to 1/100000s), thus allowing each camera to capture higher quality images in low light with slow shutter speed. The Wide Dynamic Range (WDR) again is the same (120 dB), rendering perfect light balance to the image.
The only visible difference between the two IP cameras lies in the intensity of minimum illumination. With the Hikvision DS-2CD2143G0-IS, you get slightly better low light benefits, given that it offers 0.01 Lux @ (F1.2, AGC ON), 0.018 Lux @ (F1.6, AGC ON), and 0 Lux with IR. The Dahua IPC-HDBW1431E isn’t far behind with its 0.08Lux/F2.0 ( Color,1/3s,30IRE), 0.3Lux/F2.0( Color,1/30s,30IRE), and 0 Lux/F2.0 with IR on.
The Lens of the IP Cameras
The major difference between the two lenses lies in the variety of focal lengths offered. Apart from the regular 2.8mm lens, the Hikvision IP Camera DS-2CD2143G0-IS offers 3 additional focal lengths – 4mm, 6mm, and 8mm; whereas theDahua IP Camera IPC-HDBW1431E only has one additional lens of 3.6mm. Thus, the Hikvision DS-2CD2143G0-IS grants better portability options if in case you decide to change the position of the camera.
The Alarm Trigger Range
Both the IP cameras trigger the alarm for motion detection, video tampering, network disconnection, IP address conflict, illegal login, and storage anomalies. The one advantage that the Dahua IP Camera IPC-HDBW1431E has over the Hikvision IP Camera DS-2CD2143G0-IS is that the Dahua IPC-HDBW1431E alarm triggers even during a change of scene. How futuristic is that!
Video Compression of the IP Cameras
The main compression specs of the two devices are the same viz. H.265/H.264H/MJPEG with smart codec support. However, the Hikvision DS-2CD2143G0-IS trumps the Dahua IPC-HDBW1431E to a greater degree with the former’s three-stream encoding. The Dahua IPC-HDBW1431E, on the other hand, offers the regular dual-stream. Thus, the Hikvision DS-2CD2143G0-IS can transmit 3 different resolutions of streams simultaneously. It also offers a slightly higher bit rate with its 16 Mbps maximum than Dahua’s 10 Mbps maximum. Thus, though you can experience lag-free streaming in both the products, the quality of the video in the Hikvision IP Camera DS-2CD2143G0-IS will be a wee bit better than the Dahua IP Camera IPC-HDBW1431E.
Audio Compression of the IP Cameras
Surprisingly, the Dahua IP Camera IPC-HDBW1431E doesn’t feature an audio chip, especially given the number of AV surveillance cameras that are in demand. The audio facility in the Hikvision IP Camera DS-2CD2143G0-IS has a sampling rate from 16 kHz to 48 kHz. It also supports the environment noise filtering component. Kindly note that this audio compression feature is available in model Hikvision DS-2CD2143G0-IS, not in Hikvision DS-2CD2143G0-I. When you order this model, do pay attention to the ending “S” in the model number.
Network Protocols
The network protocols of both the IP Cameras are more or less similar. Both offer ONVIF and ISAPI compatibility, with the Dahua IP Camera IPC-HDBW1431E being compatible with smartphones as well. The Hikvision IP Camera DS-2CD2143G0-IS makes up for it by featuring a wide array of security options like one-key reset, Anti-Flicker, heartbeat, mirror, password protection, privacy mask, Watermark, and IP address filtering.
Miscellaneous Features
The other miscellaneous features of the two IP cameras include operating conditions tagged to withstand any kind of weather, be it hot (up to 60 degree Celsius) or cold (up to -30 degree Celsius), or even a highly humid one (up to 95%). You can even attach them on the outside wall without bothering to cover them with plastic. In addition, both Hikvision IP Camera DS-2CD2143G0-IS and Dahua IP Camera IPC-HDBW1431E offer a vandal resistance feature at the level of IK10.
So, which one to choose? Hikvision DS-2CD2143G0-IS or Dahua IPC-HDBW1431E?
With a bird’s eye view, the Hikvision IP Camera DS-2CD2143G0-IS and the Dahua IP Camera IPC-HDBW1431E are quite similar. But when you zoom in on the specifics, you will find a few good differences between the two. Thus, if you are willing to sacrifice audio and a better video quality for a robust construction and an additional trigger, then go for the Dahua IPC-HDBW1431E. If best-in-the-class transmission quality and focal length variety matters, then the Hikvision DS-2CD2143G0-IS is the surveillance cam for you. However, it’s not like the Hikvision DS-2CD2143G0-IS transmits low-quality videos and the Dahua IPC-HDBW1431E breaks with a touch! Don’t sweat and pick the one that suits your requirements best.
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