... sensitive detecting Anti-theft function (immobilizer)1.Intelligent arm automatically.Stop engine of the car and shut the door, when you ... and restart ARM condition.8.Shock trigger alarm.Under ARM condition, if the car system received shock signal, the speaker will ... 5 times. Within 10 seconds, if the car be shocked again, car alarm will continue sounding. CAR ALARM SYSTEM(one way/two way available)