GSM/GPRS Car Security System

1. Multi-band (850MHz, 900MHz, 1800MHz)
2. GSM cell phone carrier
3.   Friendly human voice instruction
4. Arm/disarm by phone, and remote control
5. Two-stage shock alarm modes
6. False alarm trigger prevention
7. Will call up 3 alarm phone numbers when there is an alarm.
8. Anti-hijacking
9. Override switch
10. Checking system status by telephone
11. Status LED indicator
12 Trigger alarming (opening the door and engine start)
13. Power off alarming
14. Automatic central locking system
16. Power speaker
17. Power window output
18. Remote sound monitoring
19. Compatible with any cars