... and SD, fuel and temperature sensor GSM/GPS LED Indicator Alarming LED indicator Modes switch “track” , “monitor”& “call”Single Locating Auto ... -fence Movement alarm Over Speed Alarm Fuel Checking Alerts Temperature Checking Alerts Low Battery AlertPower off alarmDoor Open AlarmBonnet ... Car GPS tracker can support camera,fuel sensor,temperature sensor,central locking sytem,vocie communication monitor