... bus DVR 1.H.264 format 2.1~4CH video input 3.3G and GPS are available 4.CIF,HD1,D1 resolution 1~4 ... 75ΩAudio input 4CH audio inputAudio output1CH audio outputCable networkRJ45,1/100M adaptiveWireless networkGPS, 3G real-time transmission videoSupporting softwarePC playback ... card Mobile DVRBackColor PackagingThis is the image of 3G Mobile DVR video. You can see time, date, vehicle speed and license ...