2）Audio channels: 2 input, 1 output
3）Alarm input: 4 input, 1 output
4)support the video resolution:
CIF / QCIF Adjustable
5） Total Resources: 100 fps
6）Playback channels: 1, 4-channel
7) Support SATA HDD Quantity: 1/1000G
8）Function: VGA, USB, network transmission, PTZ,
9）operation: Mouse, remote control, control panel
10）Case Size: 360*230*60mm
Net weight : 2.42 kg