... .Display Function: LED Meter Display function. Mileage, speed, timer, options of speed,vibration alert, the battery level, Over ... modeInertial navigation moduleDisplay functionsLED Meter Display function. Mileage, speed, timer, options of speed,vibration alert, the battery level, Over ... Low speed (10Km/H)2): The Scooter vibration function works as an Anti-theft alarm3): Display of accumulated mileage. ...