It also allows a single DVR or multiple DVRs and monitored driving with both local and remote locations, which greatly improves the capabilities and the use of video surveillance systems with digital video recorders. When choosing a DVR or Digital Video Recorder must be considered somewhat things. The number of inputs from cameras at the present time, and a possible future should be closely linked to the choice of DVR. The number of frames per second (FPS) and DVR features in playback and recording are important to know, so that the desired effect or in need of video recorded on DVR to be executed. The method of video compression and hard disk capacity determines how many times he will be able to write – is important in assessing the choice of DVR Number of alarm inputs and audio inputs, also applies to your needs DVR. Connecting to a network DVR and remote viewing is also very important.

The main types of digital video recorder 1. Stand-alone DVR, network DVR and Mobile DVR Standalone DVR or embedded DVRs They usually contain a fee basis with the DVR software is almost always the Linux operating system that makes it more reliable than Most systems based on Windows. 2. PC DVR or PC based DVR PC DVR PC-based – it's digital video-based personal computers with video capture card. In one system unit can be set to 4 video capture cards on the 8 inputs each. PC DVR, as a rule, has more capacity than stand-alone DVR, and can be more user-friendly on-screen menus and mouse control.

3. Mobile DVR Mobile Digital DVRs – Digital Video is designed for mobile vehicles such as cars, boats, airplanes and other vehicles. Typically, mobile DVR imetyut functions such as anti-vibration, special reserve capacity. To supply the required voltage is 12V with a wide range of limit values, which allows him to feed from the onboard network of the vehicle .. In other cases, These DVRs are basically similar to the standalone DVR, only smaller.