3G car dvr with gps tracker 1.H.264 format 2.1~4CH ... GPS are available 4.CIF,HD1,D1 resolution 3G car dvr with gps trackerIntroduction1,Support 4CH video,CIF,HD1,D1 resolution ... the device is stable.12. System is highly integrated with industrial grade components, which can adapt to vehicle interior ... Director Member in Shenzhen Security&protection Industry Association 3G car dvr with gps tracker