... car tracker kinds of analog sensors RS232 transmission built in flash memory,support TF RS3000 is a multifunctional GSM/GPRS GPS ... , ACC Status, Engine Status, Door Status, Brake Status, Remote controller signal, 2x A/D voltage input10bit digital,5V,12V,24V ... ) Outputs Oil and electricity control, sound/light alarm, Remote controller signal Alarm System Hijack alarm, Anti-theft alarm, Power discarding ...