1~4 channel wireless 3G bus DVR 1.H.264 format 2.1~4CH video input 3.3G and GPS are available 4.CIF,HD1,D1 resolution ... 1~4 channel wireless 3G bus DVRIntroduction1,Support 4CH video,CIF,HD1,D1 resolution up to CIF 100FPS. Video is stored by SD card, which ... *40(MM)One SD card slotDual SD card SlotsOEM SD card Mobile DVRBackColor PackagingThis is the image of 3G Mobile DVR video. You can see ...