* H.264 compression & network transmission;
* 3G mobile supported;
* Linux operating system;
* Full-D1 live monitoring, each or quad display;
* High-resolution D1 recording & playback picture quality;
* Audio recording available;
* Motion detection recording;
* Support hiding an appointed channel;
* Configurable record picture quality & frame rate;
* Network: IE based monitoring;
* With remote control;
* Video loss alarm function;
* Password protection;
* Built-in USB2.0 port for video backup to computer;
* Self-recovery after power reconnected.

Video Compression :  H.264
Video Input / Output :  4 ch BNC inputs / 1 ch BNC output
Audio Input / Output : 1 ch RCA input / 1 ch RCA output
Display Resolution :  PAL: 704x576, 704x288, 352x288 / NTSC: 704x480, 704x240, 352x240
Display Mode :  Each / Quad / Auto-switch / PIP
Display Frame :  PAL: 100FPS / NTSC: 120FPS
Recording Resolution : PAL: 704 x 576 / NTSC: 704 x 480
Recording Frame Rate : PAL: 100FPS / NTSC: 120FPS
Recording Modes :  Manual / Alarm / Motion Detection / Time schedule
Recording Quality : Law / Normal / High
HDD Interface : support 1x HDD, SATA interface
HDD Space Support :  80G,160G,200G,250G,300G,400G,500G,750G, 1000G etc.
Net Work : RJ45 10/100M, TCP/IP.
USB Interface :  USB 2.0
PTZ : RS485
Alarm : 1ch input / output
Power Supply :  DC +12V / 3A (power adapter included)