... with original lock system kind of sensor RS3000B1 is one kind of intelligent GPS two way car security system/car alarm system/vehicle alarm ... Engine, Door Open, Brake , 2x A/D (10bit digital,5V,12V,24V,30V optional) OutputsOil and electricity control, sound/light alarm, Remote ... controller signalAlarm SystemHijack alarm, Anti-theft alarm, Power discarding, GPS ...