Car Upgrade GPS HUD Windshield Projector Head Up Display,Car GPS On-Board Computer Gauge with Speed Over Speed Alarm Compass System for All Vehicles (M3)

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About Car Upgrade GPS HUD Windshield Projector Head Up

Multi-function Function of OBD mode: Speed, Engine RPM, Water temperature, Voltage, Single mileage measurement, Automatic light adjustment, Alarm soud switch, KM/H&MPH unit switching, ℃/℉ switch, Clock, Fuel consumption, Driving time, 100KM acceleration, Driving distance(Driving distance is displayed when the car is switched off), Automatic power on and off. Over speed alarm, Engine RPM alarm, Voltage Alarm, Coolant temperature alarm, fatigue driving warning COMPATIBLE ATTENTION The following brands are not compatible with OBD2 systems: Renault / Peugeot /Citroen /Fiat /DS /Lamborghini /Jeep /SIMCA /Suzuki /Maserati /Dodge /Jazz /CRV/Hummer (NOTE:If you want to use OBD mode but you do not know if your car is OBD compatible, please confirm with us before purchasing.) Note: Since the glass of a car is double glazed, the projection on the glass will have a slight double shadow,but it will not affect the use. If you is use the reflective film (contained in the package) ,the slight ghosting will not occur. Attention：Please tear off the protective film before using this product,otherwise it will affect the clarity of the projection.