... USB/LAN/VGA/RS485/Video/Audio Features: - Operating system: Embedded Linux- Video standards: PAL/NTSC- Video compression: H.264- Audio compression ... )- Video resolution: D1(704 X 576/704 X 480), HD1(704 X 288/704 X 240), CIF(352 X 288/352 X 240)- Playback rate:CIF ... ,UDP,DHCP,DNS,IPFilter,PPPOE,DDNS,FTP,Email,UPNP,Alarm Server,ARSP- 2 USB interfaces, one for mouse,one for backup ...