1. GSM/GPRS 900/1800
2. One master number and three authorized numbers;
3. Alarm report: SOS alarm, Anti-steel, Overspeed, towing, Parking, Power off, low voltage, GEO fencing;
4. Locating with cellphone map;
5. Fuel control;
6. Device and vehicle status report;
7. Listening in/car phone talk;
8. Inquiry SIM balance;
9. Compatible existing car alarm;
10. USB connect with computer to program;
11. Flash memory(storge about one month data while no GPRS)