... approved we are specialized in manufacturing one-way/two-way Car/motorcycle Alarm System,central lock system,keyless entry system,Universal ... door locking system automation, Door unclosed well warning function 4.Car finding/help calling, Re-arm, LED indicator, Exact detector 5 ... of central door locking output: 10AFrequency: 300MHz ~ 350MHz-433.92MHZ Multi-Function Car Alarm System