... 2 way wireless gps alarm for vehicle TK220 1. Arm/disarm by SMS remotely, or by the remote controller2. ... SMS/GPRS;17. Monitor fuel level; 18. Central lock automation, when car speed >30Km/h, car ... optional function, the starter must be connected correctly with the device, otherwise, it will not work. Please ... Alarm TypeSOS AlarmIn any condition, if the SOS button is pressed down for 3 seconds. It will ...