... 4.CIF,HD1,D1 resolution 4CH H.264 dvr with 3g/gps/gprs/gsmIntroduction1,Support 4CH video,CIF,HD1,D1 resolution ... 1Vpp 75ΩAudio input 4CH audio inputAudio output1CH audio outputCable networkRJ45,1/100M adaptiveWireless networkGPS, 3G real-time transmission videoSupporting softwarePC ... with cablesThis is the video image of 4CH 3G Mobile DVR. You can see time, date, vehicle speed and license plate ...