Hidden Car Alarm System may install any hidden place in the car so that the thief is very difficult to find it! Application Lock: The car will be automatically locked when the car is parked and the car owner takes the ID card along with himself. Anti-theft: After the car is automatically locked, the theft can only start the car for 3 times, with each time less than 10s. Then the car is locked and can not start (misguiding that the car is failed to let the robber to give up). Unlocked: The car will be automatically unlocked when the car owner takes the ID card along with himself 10m near to the car. Anti-hijack: The car owner may hand out the car easily when somebody hijacks the car as long as the car owner takes the ID card along with himself. The system will automatically extinguish and lock the engine when the car drives away from you for 2 min to secure both the person and the car.