... and Calling. GSM/GPRS GPS Vehicle Tracking&Alarm System/stop engine remotely(118V)GSM/GPS Car Tracking & Alarm System with ... when there is an alarm Anti-hijacking Override switch Remote engine start / stop (Optional & extra cost) Sensitivity of shock sensor ... LED indicator Trigger alarming (door open, bonet open, truck open, engine start, shut-off power.shocking) Alarm memory recall Parking reminder ...