... GSM module Network GSM, GPRS and SMS ; Voice Headset Kit AvailableMessages SMS, Encrypted Protocol ; GPRS, TCP/IP over ... ACC Status, Engine Status, Door Status, Brake Status, Remote controller signal, 2x A/D voltage input10bit digital,5V,12V,24V ... optional) Outputs Oil and electricity control, sound/light alarm, Remote controller signalAlarm System Hijack alarm, Anti-theft alarm, Power discarding, ...