... PWL:1.0Vp-p,Impedance:75Ω,Support monochrome/color cameraVideo output: 1channel(PAL),PWL:1.0Vp-p,Impedance:75ΩAudio ... PWL:1.0-2.2vp-p , Impedance: 600ΩAudio output: 1channel,Linearity PWL:1.0-2.2vp-p , Impedance: ... -current, over-voltage protection,Delay power off function.Power output:DC12V for camera, pickup or velocity sensorAnti-vibration design ... (H)mm 4 channel HDD DVR with power supply for cameras