... , it is an embedded Linux system DVR with 4 channels. It has high-intelligentization and stability with an ... PWL:1.0Vp-p,Impedance:75ΩAudio input: 2 channels, Linearity PWL:1.0-2.2vp-p , Impedance ... port Power input: DC8-36V,Power switch,Over-current, over-voltage protection,Delay power off function.Power output:DC12V for camera, ... 226(W)x223(L)x42(H)mm 4 channel HDD DVR with power supply for cameras