1.GPS 3G Wifi SD card 4ch car DVR 2.4ch video input 3.4CH Alarm Input 4. ... GPS 3G Wifi SD card 4ch car DVR ,4ch Mobile DVR,car DVR recorder ,Vehicle DVR,Car recorder,Car camera kits • H.264 video ... , D1, 2 CH, CIF format. • 1 CH microphone or two lines of audio input, G.726 compression forma,• 4 channel alarm ... <5W; Standby<0.5W GPS 3G Wifi SD card 4ch car DVR