Specification :

Main Features:
* Real time monitoring, MPEG-4 compression, with network capabilities
* 2 channels for audio recording or play
* Motion detection with settable window / level
* Supporting the hard drive with super capacity
* System self-protection against power loss
* Remote control optional
Main Specifications:

MODEL DVR-4V2
Video standard NTSC/PAL
Video input 4 channels, CVBS
Video output 1 channel, CVBS
Monitoring Resolution NTSC: 720 * 480 (Each CH); PAL: 720 * 576 (Each CH)
Frame rate NTSC: max. 30fps (Each CH); PAL: max. 25fps (Each CH)
Features Full-D1, 1-CH / 4-CH display
Recording Resolution NTSC: 720 * 240 (Each CH); PAL: 720 * 288 (Each CH)
Frame rate NTSC: max. 60fps; PAL: max. 50fps
Features Variable frame rate / Variable QL per channel
Quality 8-level, Highest ~ Lowest
Audio ADPCM2 CODEC, 2 channels record or play
Video MPEG-4 CODEC
Motion detection Yes, with settable Window / Level
Microprocessor 32-bit RISC processor
Operating system Embedded Linux
Network TCP / IP, HTTP, DNNS, DHCP