... HDMI / VGA / TV / Spot simultaneous video output> All channel synchronous realtime playback, GRID interface & smart search> 3D intelligent ... cameraLoop Output4 channel8 channel16 channelAudioInput4 channel, BNC8 channel, BNC16 channel, BNCOutput1 channel, BNCTwo-way Talk1 channel Input, 1 channel Output, BNCDisplayInterface1 HDMI, 1 ... ×89mmWeight6.5KG(without HDD)Application System 16 Channel DVR