... ,alarm security,auto alarm system. we are specialized in manufacturing Car Alarm System,car alarm,auto alarm,alarm,alarm system,alarm security,auto ... /help calling, Re-arm, LED indicator, Exact detector 5.Engine cut off, Emergency disarm6.Intruding warning, Power off memory ... of central door locking output: 10AFrequency: 300MHz ~ 350MHz-433.92MHZ Car Alarm System With Central Lock Built-in