... kind of intelligent GPS two way car security system/car alarm system/vehicle alarm system to support complete car realtime tracking, alarm ... ,5V,12V,24V,30V optional) OutputsOil and electricity control, sound/light alarm, Remote controller signalAlarm SystemHijack alarm, Anti-theft ... bar, and RS232 connected device Intelligent GPS car alarm system/gps tracking device/ car gps alarm tracker RS3000B1/C1, ...