DVR with VGA,4-channel, H.264 2 channel alarm input, 1 channel ... . Multi control modes: mouse, front panel, remote control, network 7. USB interfaces 8.4 channel playback or single channel playback 9 ... ohmVideo Output2 Channel, BNC, 1.0V p-p/75 ohm, VGA x 1Audio Input2 Channel, RCAAudio Output2 Channel, RCAAlarm Input2 Channel ...