Features: 1.Adopt advanced MPEG-4 / H.264 compression technology to realize real time recording; 2.Adopt advanced PHILIPS SAA7134HL Video decode chipset 3.With 9 bit ADC, better than other hardware and software card with 8 bit 4.With Low occupation of CPU resource and Small HD Space 5.Install easily and super interface. No need train. Function: 1.Support more cards ; Max 3 card 2.Support more areas, more sensitive motion detection record 3.Support all kinds of PTZ ,High speed dome ,and can add protocol for customer. 4.Support one more pictures to choose. And more arithmetic to choose .and better system source to distribute 5.Support16 channels alarm input, Eight Channels alarm output (optional) and linkage alarm recording 6.Support Recording Resolution: 1-25fps/second(PAL) / 1-30fps/second (NTSC) optional 7.Support static pictures capture 8.Recording output format:audio and video compression ; audio or video compression 9.Administer perfect user administering andand detailed log recording Both software and hardware with preventing crash 10.Flexible vdeo display, can shield video channels to protect user privacy 11.Playback easily 12.Design for Low Power Consumption, Suitable Board Card, Stable System 13.Upgrade software provided for free