1. GPS 3G DVR for all vehicles 2. H.264 compression 3. Motion detection & alarm 4. CE FCC RoHS approvd HD car dvr with 3G and gps functions Descritions:1. The item is built-in GPS module, can show the driving route on the GOOGLE map2. channel video and audio recording (1 / 2 / 4 channel optional)3. Advanced H.264 high profile technology for video compressional at lower bitrate4. Alarm input: 6 ...