Car OBD2 HUD Display Digital Speedometer Overspeed Alarm RPM Temp Gauge kmh/mph

When the driving speed reaches the alarm value, the device will beep. The driving speed unit (KM/H) and (MPH), the coolant temperature (℃), and (℉) can be switched easily. [Highly Compatible&Compact Shape]: AUTOOL X70 OBD is featured as an exquisite and compact shape that can match any car model.