* 4 channels composite video input
* 1CH BNC video output & 1CH VGA output
* 4 channel audio input &1 CH audio output
* 9CH alarm input& 4CH alarm output
* H.264 Video compression
* G.722 Audio Compression
* Real-time display(704*576)
* Video compression CIF (352*288)
* Support 8 parallel IDE & 2 SATA, Network, RS485