Detail 12V intelligent one click start car 2.4G hidden lock anti-theft device, anti robbery and anti hijacking system Features: 1. Easy to install and hide well in the vehicle 2. Universal for any vehicle type of DC 12V 3. Push Button Engine Start/Stop 4. It also can match with the car alarm system which has remote 5. Away 5 meters,Armed automatically 6. Near 3 meters,Disarmed automatically 7. Mode conversion: Arm and Anti-hijacking status Optional 8. Emergency release 9. Transmitter low battery detection 10. Restore factory setting automatically 11. Radio frequency 2.4Ghz 12. Use Batter CR2032