... USB mouse, IR remote control, Keyboard, NetworkVideoInput4 channel, HD-SDI video, BNCStandard1080P(25/30)/1080i(50/60)/720P( ... TV( BNC, 1.0Vp-p, 75?)Loop Output4 channel, HD-SDI, BNCAudioInput4 channel, BNC(200-2800mV, 30KΩ)Output1 channel ... Output6 channelPlayback & BackupPlayback Channel1/2/4Search ModeTime/Date, Alarm, MD & Exact search (accurate to second), Smart searchPlayback FunctionsPlay, Pause ...