... 1/2/4channel car dvrSpecification:Power In12V DC. Power Out12 V DC, Max Current 1A. Video Input4channels/2channels/1channel ... ,1.0Vp-p,75Ω,BNC. Video Out: channel,1.0Vp-p ... ,75Ω,CVBS or LCD. Video StandardPAL/ NTSC. Audio Input2 channels(Stereo),Line In,50~400mv,50Hz~3500Hz. Audio ... 0~+50, Humidity <90%.Hot sale products in our Company :