... Total )Video Input 4 channel, BNC , 1.0V p-p/75ΩComposite Video Output1 channel, BNC, 1.0V p-p/75ΩMonitor Video Output1 channel, BNC ... Voltage,Open or ClosedAlarm Output1 Channel, Trigger closed without Voltage,Open or ClosedAlarm ModeSensor Input, Motion Detection, Video Loss, Full Disk Space ... ×365 X 65 mm (W*D*H)Weight5.0KG Standalone Digital Video Recorder H.264 Compression DV-2104