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Digital Video Recorder

Product categories of Digital Video Recorder, we are specialized manufacturers from China, Digital Video Recorder, DVR Security System suppliers/factory, wholesale high-quality products of DVR Monitor R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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The Digital Video Recorder, also called the DVR/ DVR Security System/ DVR Monitor/Digital video recorder H.264/ DVR CCTV, is the video storage device of the AHD Four in One Camera(the video capture device). The Digital Video Recorder records the video with the hard disk that we put in it, and it is a computer system for image storage and processing, which has the functions of long-term image recording, voice recording, remote monitoring and control of images/voices.

The Digital Video Recorder is far superior to the analog monitoring equipment in terms of the image processing, image storage, retrieval, backup, network transmission, and remote control because of the adoption of the digital recording technology.

By the way, there are many BNC video interfaces on the back of the Digital Video Recorder, each interface can be connected to an analog suveillance camera. Just plug the interface, then it works, very convenient!

Generally speaking, the Digital Video Recorder can be divided into the hard disk video recorder, the PC type hard disk video recorder and the embedded hard disk video recorder, etc. Among them, the embedded hard disk video recorder does well in the stablity, the reliability, and the easy use, and the embedded hard disk video recorder will gradually invade the market of the PC type hard disk video recorder.

Besides, The main functions of the Digital Video Recorder include: monitoring function, recording function, playback function, alarm function, control function, network function, password authorization function and work schedule function.


Monitoring function: The monitoring function is one of the most important functions of the Digital Video Recorder. Whether it can monitor the on-site camera video clearly is a core issue of the surveillance system. Most Digital Video Recorders can achieve clear on-site surveillance.


Recording function: The video resolution is the core of the digital host because the video effect is more important to the Forensics than the on-site video effect. Most Digital Video Recorder can achieve on-site recording at 25 frames per second.


Alarm function: The alarm function mainly includes the input alarm of the detector and the alarm of the image and video detection. Once received the alarm signal, the system will automatically start recording, and turn on the corresponding spotlight, siren and network output signal via the alarm output function. The image motion detection is the main alarm function of the Digital Video Recorder.


Control function: The control function refers to the omnidirectional control of the PTZ and lens via the host, which is generally finished by the dedicated decoder and the keyboard.


Network function: The user can do various operations to the host such as the monitoring, recording and control after the simple identification on the LAN or WAN, which is similar to the local opertaion.


Password authorization function: in order to reduce the failure rate of the system and illegal entry, a password need to be set for procedures such as stopping video recording, arming and disarming the system and entering programming, so that unauthorized people cannot operate these procedures. The Password authorization is usually set as the multi-level password authorizations.

Work Schedule function: The user can program the working time for one certain period of time of one certain camera, which is also the unique function of the host of the Digital Video Recorder. The user can pre-schedule all the changes of holidays and working schedules into the program, which can realize the unattended in some extence.

Digital video recorder

All in all, the Digital Video Recorder represents the developing direction of CCTV monitoring system and it has been the first choice on the CCTV monitoring system market.


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