Features:
1) H.264 compression format
2) 8ch vedio input   1ch BNC vedio output
3) 4ch audio input   1ch audio output
4) 1 VGA output interface
5) network RJ45 & USB backup 
6) support mobile phone monitoring
7) mouse controll
8) play back resolution: CIF/D1
9)support 2 SATA HDD(up to 2TB)
10)RS485 PTZ control