Descriptions: 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-hijackin 9. Override switch 10. Sensitivity of shock sensor adjustable 11. Checking system status by telephone 12. Status LED indicators 13. Trigger alarming (opening the door and engine start) 14. Shocking alarming 15. Power off alarming 16. Bonnet open alarming 17. Alarm memory recall 18. Parking reminder 19. Remote trunk releas 20. Automatic central locking system 21. Power speaker 22. Power window output 23. Remote sound monitoring 24. Compatible with any cars 25. GSM car locating and seeking (optional & extra cost) Function: 1. Remote control a. Arm/disarm b. Lock/unlock c. Searching d. Trunk release e. Emergency help f. Enable/disable shock sensor(optional) g. Disable siren temporary 2. Phone a. Arm/disarm b. Lock/unlock c. Enable/disable shock sensor d. Activate/deactivate alarm phone numbers e. Activate/deactivate immobilizer f. Check car status g. Broadcast to the driver h. Listen in the car Parameter: Technical Specification: Voltage Working temperature: -20℃-+65℃ Control distance: 20m-100m Size of mainframe: 134mm*120mm*34mm