GPS car alarm system/gps tracking device,car gps alarm tracker 4 band GSM compatible with original ... (10bit digital,5V,12V,24V,30V optional) OutputsOil and electricity control, sound/light alarm, Remote controller signalAlarm SystemHijack alarm, Anti-theft ... sensor, fix bar, and RS232 connected device Intelligent GPS car alarm system/gps tracking device/ car gps alarm tracker RS3000B1/C1,support ...