... , MTK3329 chipset, module from Holux or Royaltek, L1, C/A code,1575.42MHZI/OInputsEmergency Button, 2xLow Level Voltage, 2xHigh Level, ACC ... ,24V,30V optional) OutputsOil and electricity control, sound/light alarm, Remote controller signalAlarm SystemHijack alarm, Anti-theft alarm, Power discarding, GPS antenna ...