... DVR Support 3G and Real time 1/2TB HDD,VGA,USB mouse,remote controller Support smart mobile and network ... Trigger recording,PTZ movement,tour,alarm,e_mail & FTPTV Output AudjustmentAdjust TV output color & display zoneAudioAudio ConpressionG711A Bidrectional TalkSupport Record &PlaybackRecording ... 0Vp-p,75ΩVideo Output1 channel TV output BNC,1.0Vp-p,75Ω,1 VGA output(optional)Audio Input1 channel ,RCA, ...