1)H.264 compression format
2)support D1/ HD1/ CIFrecording resolution
3)Support SATA hard disk up to 1000GB
4) Video input:4 ch , Video output: 1ch
6) full real time recording, playback, backup
7)Different recording modes according to different schedule, motiondetection, automatic recording, mandatory recording, etc.
8)Motion detectingfunction: setting the sensitive areas for each channel
10) internet function:IE browser up to 5 client monitoring online
11) Support CMNET,GSM, 3G
11) network protocol: TCP/IP/UDP/DHCP/DNNS/PPPoE
12)Search/replay by caselist and accurate time
13) Build in RS-485 interface, support PELCO-P,PELCO-D
14)Infrared remote control is optional
15)H.264 format back upfile with H.264 player
16)USB back up