... Network CCTV DVR Digital Video Recorder with Dual USB/LAN/VGA/RS485/Video/Audio/Mouse Features: - Operating system: Embedded Linux- Video standards ... ,PPPOE,DDNS,FTP,Email,UPNP,Alarm Server,ARSP- 2 USB interfaces, one for mouse,one for backup- Interface: Video in 1/2 ... - Accessories include:- 1 x 100~240V power adapter - 1 x USB mouse - 1 x Remote control- 1 x Software CD- 1 x ...