Main feature: 1. Realtime location 2. Remote tracking on PC website, android app and SMS 3. Over speed alarm, SOS alarm, geo fence alarm 4. 2-way voice communication 5. Remote engine cut off 6. GPS LBS tracking, double positioning 7. Power cut off alarm 8. Audio monitoring remotely 9. External gsm and gps antenna Optional Features: 1. Add temperature sensor 2. ACC ON/OFF send SMS message 3. Support TCP/UDP/HTTP protocol 4. Report position by angle/distance change 5. Support customized firmware size: 92*65*26mm weight: 520g
