1 .Free service charges 2. Audio Alarming by telephone & by siren 3. Automatically phone call the user in case of alarm 4. Vibration alarming, door opening alarming and power-off alarming 5. Emergency help alarming. 6. Anti-burglar, anti-hijacking, anti-destroying. 7. Arm/Disarm by telephone or by transmitters. 8. Automatically re-arm, silent arm 9. Car finding. 10. Using GSM networks to transmit signals, no limit of distance. 11. Complete self service without resorting to any third party 12 . Easy to use. With friendly operation voice menu in different language. 13 . Remote monitoring/broacasting by telephone 14. Remote cutting off gas/power supply, thus stop the car from running 15. Lock/Unlock the car door by telephone or by transmitters 16 . Remote engine/ air-conditioner start (Optional) 17. Windows riser (Optional); 18. Transmitters with code-hopping technology, making it impossible to be decoded or copied. 19. Adjustable 8-scale vibration sensitivity. Enable/Disable vibration sensor by telephone 20. Free to set up password and modify alarming telephone 21. Available 2 preset alarming telephone numbers and 2 emergency alarming telephone numbers 22. Automatic door closing upon braking, car light flash warning upon getting off the car. 23. Car position location(Need supports from your local GSM service providers)