GPS + OBD Head Up Display C3 HUD Car Electronic Auto Speedometer Protable Car Accessories Navigation and Non Navigation Versions

Speed type：OBD vehicle speed，GPS speed High-concerned chemical：None Wire or Wireless：wire Brand Name：ZMFJH Origin：Mainland China vehicle speed：water temperature voltage：fuel consumption RPM：single mileage total mileage：driving direction altitude：intake pressure oil temperature：air-fuel ratio turbine pressure：intake pressure overspeed alarm：speed alarm low voltage alarm：engine fault alarm

Speed type: OBD vehicle speed，GPS speed High-concerned chemical: None Wire or Wireless: wire Brand Name: ZMFJH Origin: Mainland China vehicle speed: water temperature voltage: fuel consumption RPM: single mileage total mileage: driving direction altitude: intake pressure oil temperature: air-fuel ratio turbine pressure: intake pressure overspeed alarm: speed alarm low voltage alarm: engine fault alarm