The central element of the video surveillance system is a video recorder that combines video cameras of various formats, microphones, sensors, hard drives, control panels, network equipment, and other devices into a single configuration.
When choosing the right model, it is important to know what characteristics and functionality will be required to perform current tasks, as well as achieve your goals for the future. The review reveals questions about what products are, their description in order to choose, according to buyers, the best devices.
Content
A video recorder is a device for receiving, processing and archiving signals from video cameras for playing video images on monitors or broadcasting over local networks or the Internet.
As a rule, the product is ready for use after installing a hard disk with sufficient memory and setting up video capture (motion detection, blind spots). In addition, technical capabilities allow you to connect not only cameras, but also additional equipment to the device.
Used in video surveillance systems for:
The product configuration is similar to the device of the computer system unit and includes:
It is possible to connect additional components:
A single architecture is managed by specialized software that allows you to resist extraneous influences in the form of virus or network attacks.
1. Analog (Digital Video Recorder, DVR).
In this case, the product is connected to analog surveillance devices via coaxial cables. Encoding and image processing is performed directly in the DVR. As a rule, it is installed on small or medium objects.
Advantages:
Flaws:
2. Network (Network Video Recorder, NVR).
Unlike analog models in network models, encoding and image processing is performed by an IP video camera with subsequent transmission via a network cable to a video recorder for remote viewing or storage.
Advantages:
Flaws:
3. Hybrid (Hybrid Digital Video Recorder, HDVR).
Versatile products that combine the capabilities of analog and network devices.
It should be taken into account that the characteristics are directly affected by the tasks and structure of the video surveillance system, as well as the prospects for its expansion or modernization. Therefore, in order not to make mistakes when choosing, you need to compare the values, what to look for before ordering a suitable model online in the online store.
1. Compatibility of the recorder and cameras while supporting the same video standards:
2. Permission.
Recording is carried out with the maximum resolution available for the recorder, and not transmitted by the video camera. If it is necessary to distinguish small details of the image (values of banknotes, car numbers), equipment with very high parameters is required.
3. Video recording speed.
The best option is live video for each channel, which is achieved at 25 frames per second. However, the magnitude of the value is affected by the speed of development of the observed events:
The overall speed can be redistributed between the cameras.
four.Number and type of hard drives.
As a rule, they are purchased separately, since often the registrar does not provide for installation. Should be with a large amount of memory for writing-rewriting. As a rule, hard drives up to 6 TB are used, while there is not always support for connecting more than one drive. In addition, it is necessary to take into account the compatibility of equipment of different brands.
The best manufacturers always report recommended hard drives for their products.
5. Interfaces for additional equipment.
Each analog camera requires a separate input. It is better to choose with a margin for the subsequent expansion of the surveillance network.
6. Additional characteristics.
Video tutorial "How to choose a DVR":
It is better to buy inexpensive budget video recorders in the departments of specialized equipment for video surveillance systems. Managers who have undergone special training will give valuable recommendations and advice - which company's products are better to buy, how much it costs, which popular models are the most purchased. At the same time, you can see or touch the product, read the description, compare the characteristics, and also clarify the features.
In addition, it is easy to choose new products from the best manufacturers on the pages of Yandex.Market or E-catalog aggregators, where offers with photos and direct purchase links are accumulated.
Currently in Moscow you can buy:
The rating of high-quality devices is compiled in accordance with the popularity of models in specialized stores according to buyers who left feedback on the results of operation. The list includes the main types of DVRs - analog, network and hybrid.
Brand - Trassir (Russia).
The country of origin is China.
A compact Chinese-made model for expanding existing and creating new construction surveillance systems using analog CCTV devices. Allows connection of up to four video cameras with a resolution of 960x576 and a frequency of 25 fps. The video is compressed using the H.264 codec. Dualstream supported. Equipped with four audio channels and two-way audio capabilities. It is possible to connect one hard drive.
Video review:
Brand - Proto-X (Republic of Korea).
The country of origin is China.
The latest product of the joint development of Russian and South Korean engineers for integrated video surveillance systems at small facilities using analog equipment. A high-quality model with a clear and convenient interface and advanced functionality. The software is compatible with Mac and Windows operating systems and allows efficient remote control of the instrument.
Brand - HiWatch (China).
The country of origin is China.
A successful model of a 16-channel Chinese-made recorder for video surveillance systems at small facilities using analog cameras. Connecting via VGA allows you to display the image in multi-window mode on a monitor with a choice of up to 16 windows. The hard drive slot provides enough space for archiving and storing information. Support for DualStream with two-way audio to communicate with people near the cameras.
TRASSIR Lanser 960H-4 3.5 | Proto-X PTX-UDR1604HD | HiWatch DS-H116G | |||
---|---|---|---|---|---|
Number of channels | 4 | 16 | 16 | ||
Drives: | |||||
Quantity | 1 | 2 | 1 | ||
Maximum capacity, TB | 3.5 | 8 (2x4) | 6 | ||
Video: | |||||
Resolution (all channels), pix | 960x576 | 1080x720 | 1280x720 | ||
Maximum resolution, pix | 960x576 | 1080x720 | 1280x720 | ||
Frame rate, fps | 25 | 25 | 25 | ||
Compression format | H.264 | H.264 | H.264 | ||
Connectors: | |||||
BNC video input | 4 | 16 | 16 | ||
BNC video output | 1 | 1 | 0 | ||
RCA audio input | 4 | 4 | 1 | ||
RCA audio output | 1 | 1 | |||
USB | 2 | 3 | 2 | ||
HDMI | 1 | 1 | 1 | ||
VGA | 1 | 1 | 1 | ||
LAN (RJ-45) | 1 | 1 | |||
Alarm input | 4 | 0 | 0 | ||
alarm output | 1 | 0 | 0 | ||
Additional connectors | RS-485 | RS-485 | 0 | ||
Motion Detector | No | Yes | No | ||
PTZ control | No | Yes | No | ||
General: | |||||
Food, V | 220 | 12 | 12 | ||
Dimensions (LxWxH), mm | 250x170x92 | 320x340x70 | 285x210x45 | ||
Weight, g | 3500 | 5000 | 1200 | ||
Guarantee period | 60 months | 60 months | 24 months | ||
price, rub. | 17079 | 34000 - 40800 | 7184 - 14370 |
Brand - Zodikam (Russia).
The country of origin is China.
A universal Chinese-made model for creating an inexpensive, effective security system.The device has excellent performance with a convenient solution for storing and remotely viewing video images. Controlled by software or via browser. The ability to control the rotary device.
Brand - Ezviz (China).
The country of origin is China.
A universal Chinese-made model with support for the closed Hikvision and Ezviz protocols to solve the problems of connecting video cameras that work through them. With the open ONIF standard, it is possible to switch with any IP cameras that operate via Wi-Fi at a maximum distance of up to 100 meters and are automatically detected on the network. Suitable for any FullHD monitors. The company uses its Ezviz cloud service, which allows you to configure as well as watch videos on mobile devices or a laptop at any time.
Video review of the procedure for starting the recorder:
Brand - HiWatch (China).
The country of origin is China.
Chinese-made network model for expanding existing video surveillance systems or creating new small systems with a limited budget. Provides connection for up to 16 8 MP IP cameras with a total bit rate of up to 160 Mbps. Best image quality through HDMI port.
Video review of launching and setting up the device:
Brand - Dahua (China).
The country of origin is China.
Network eight-channel model of Chinese production for video surveillance systems of small objects at a reasonable price. Provides connection of IP-cameras up to 6 megapixels. The use of a 1.6 GHz processor compresses video to H.264+ format with the possibility of saving up to half the amount of hard drive memory.
With the use of ANR technology, in the absence of a network connection with IP cameras, recording is performed on SD cards installed on them. After the connection is restored, the information is overwritten.
Video review:
Brand - Hikvision (China).
The country of origin is China.
Network eight-channel model of Chinese assembly for the quick creation of a video surveillance system, compatible with the equipment of its brand and the ability to connect video cameras from other manufacturers. Fast finding of image fragments is carried out using smart-search. Backup is performed on external media connected via USB ports. The power supply to the cameras (PoE) is carried out at a distance of up to 300 meters using a high-quality UTP cable.
Video review:
Zodikam NVR4208-E | EZVIZ Vault Live 4CH | HiWatch DS-N316/2 | Dahua DH-NVR2208-S2 | Hikvision DS-7608NI-K2/8P | |
---|---|---|---|---|---|
Number of channels | 8 | 4 | 16 | 8 | 8 |
Drives: | |||||
Quantity | 1 | 1 | 2 | 2 | 2 |
Maximum capacity, TB | 6 | 6 | 12 | 12 | 12 |
Video: | |||||
Resolution (all channels), pix | 1080x720 | 1920x1080 | 640x480 | 1920x1080 | 1920x1080 |
Maximum resolution, pix | 1920x1080 | 1920x1080 | 3072x2048 | 3072x2048 | 4096x2160 |
Compression format | H.264/MJPEG | H.264 | H.264; H.264+ | H.264 | H.265; H.264; MPEG4 |
Connectors: | |||||
RCA audio input | 0 | 1 | 1 | 1 | 1 |
RCA audio output | 0 | 1 | 1 | 1 | 1 |
USB | 2 | 1 | 2 | 2 | 2 |
HDMI | 1 | 1 | 1 | 1 | 1 |
VGA | 1 | 1 | 1 | 1 | 1 |
LAN (RJ-45) | 1 | 1 | 1 | 1 | 9 |
Motion Detector | Yes | No | Yes | Yes | Yes |
PTZ control | Yes | No | No | Yes | No |
General: | |||||
Food, V | 12 | 220 | 12 | 12 | 220 |
Dimensions (LxWxH), mm | 233x300x45 | 270x235x45 | 380x290x48 | 375x275x53 | 385x315x52 |
Weight, g | 750 | 1300 | 1000 | 1500 | 3000 |
Guarantee period | 12 months | 12 months | 24 months | 12 months | 36 months |
price, rub. | 4290 | 3654 - 6990 | 8150 - 30620 | 7176 - 9112 | 13132 - 22390 |
Brand - Eseeco (China).
The country of origin is China.
A Chinese-made hybrid model that supports analog and network cameras up to 2.0 megapixels for creating new video surveillance systems or expanding existing ones, including during facility repairs. Supports four channels with simultaneous recording, display, playback, backup and network remote operation. Viewable on mobile devices.
Brand - Rexant (China).
The country of origin is China.
Universal hybrid four-channel model for online monitoring, recording, playback and backup of video images. High resolution HDMI and VGA video outputs. Remote control from mobile platforms using vMEyeSuper and vMEyeCloud software. Recording is carried out in four modes: continuous, motion, schedule or event.
Brand - Falcon Eye (Canada)
The country of origin is China.
A compact four-channel model made in China for self-creation of a video surveillance system. Equipped with PTZ technology support for remote control. Video signals in PAL and NTSC format. One hard drive is connected with a maximum volume of up to 6 TB. Recording can be done by motion, schedule, alarm or manually.
Video review of the functionality:
Brand - Zodikam (Russia).
The country of origin is China.
A universal eight-channel Chinese-made model for creating an effective security system without extra financial costs. Quiet device with excellent characteristics and functionality, fully justify the low cost.
Brand - Dahua (China).
The country of origin is China.
A compact multi-format eight-channel model made in China for upgrading existing and building new video surveillance systems. Supports five video signal formats AHD, CVBS, IP, HDCVI and TVI. Provides high quality video and excellent color reproduction.Built-in intelligent video analytics (IVS) allows you to detect and analyze moving objects. It supports zone intrusion detection, detection of forgotten and lost items, face recognition, and visitor counting. Works with various types of video cameras. Standard mouse control via USB port. The rights of local users are flexibly delimited.
Video review:
Eseeco VD-X6004HN-C | REXANT 45-0171 | Falcon Eye FE-2104MHD | Zodikam H4208 | Dahua DHI-XVR5108HE-S2 | |
---|---|---|---|---|---|
Number of channels | 4 | 4 | 4 | 8 | 8 |
Drives: | |||||
Quantity | 1 | 1 | 1 | 1 | 1 |
Maximum capacity, TB | 6 | 4 | 6 | 4 | 8 |
Video: | |||||
Resolution (all channels), pix | 704x240 | 720x480 | 1920x1080 | 1280x720 | 1280x720 |
Maximum resolution, pix | 1920x1080 | 720x480 | 1920x1080 | 1920x1080 | 1920x1080 |
Frame rate, fps | 25 | 25 | 25 | 25 | 25 |
Compression format | H.264 | H.264 | H.264 | H.264 | H.264; H.264+ |
Connectors: | |||||
BNC video input | 4 | 4 | 4 | 8 | 8 |
RCA audio input | 1 | 4 | 4 | 4 | 8 |
RCA audio output | 1 | 1 | 1 | 1 | 1 |
USB | 2 | 1 | 2 | 2 | 2 |
HDMI | 1 | 1 | 1 | 1 | 1 |
VGA | 1 | 1 | 1 | 1 | 1 |
LAN (RJ-45) | 1 | 1 | 1 | 1 | 1 |
Motion Detector | Yes | Yes | Yes | Yes | Yes |
General: | |||||
Food, V | 12 | 12 | 12 | 12 | 12 |
Dimensions (LxWxH), mm | 330x290x80 | 210x200x45 | 250x230x45 | 354x245x45 | 325x255x55 |
Weight, g | 1200 | 955 | 1200 | 1500 | 1500 |
Guarantee period | 12 months | 12 months | 36 months | 12 months | 12 months |
price, rub. | 2890 | 4115 | 5302 - 19990 | 5995 - 6990 | 9390 - 14990 |
When choosing a DVR, you should also pay attention to the operating conditions, and not just the characteristics. Do not chase too high a resolution, then you will need more expensive equipment and large hard drives. It is better to turn to professionals for advice, and they will help you choose a model that meets the size and specifics of the security system.
Happy shopping and stay healthy!