This is 2 Way Car Alarm System comes with LCD remote Display, Shock Sensor functions. This item is compatible with all DC12V cars on the market, including automatic transmission or manual transmission cars, petrol and diesel cars. Main features: 1. Arm/ disarm/Mute arm 3. Central door lock automation 4. Auto re-arm 5. Car finding/locating 6. Anti-hijacking 7. Remote trunk release 9. Two stage shock sensor vibration warning 10. Remote waming mode choice 11. Programming method 12. Emergency override 13. Remote waming setting 14. Remote background color setting 15. Door-opened warning 16. Electrical lock or pneumatic central door lock optional (default is electrical lock). 17. Emergency warning