... available 4.CIF,HD1,D1 resolution 4CH H.264 dvr with 3g/gps/gprs/gsmIntroduction1,Support 4CH video,CIF,HD1,D1 resolution up ... TrackerGPS Tracker with cablesThis is the video image of 4CH 3G Mobile DVR. You can see time, date, vehicle speed and license ... Patent2010 Senior Director Member in Shenzhen Security&protection Industry Association 4CH H.264 dvr with 3g/gps/gprs/gsm