Arpenkin A8 Car Heads Up Display 5.5" Screen OBD2 EOBD Interface Car HUD with OverSpeed Warning Vehicle Speed Engine Speed Water Temperature Compatible with OBDII, EOBD system and OND2 agreement cars, America and Europe cars after 2004 year, Asia cars after 2007 year, not compatible with truck 5.5 Inch LCD display is portable and easy for drivers to read data, detect all important driving informations via the OBD 2 system New high brightness screen and bright color make the image more clear and fine, Automatic and manual brightness adjustment, help you drive without glare Display of vehicle speed, engine speed, water temperature, consumption, average fuel consumption, driving mileage, low oil hint, engine failure.KMH and MPH switch freely, Normal display mode, high-speed display mode, automatically display mode are available Important Notice, Please Read: Other Sellers are selling fake"Arpenkin".We never authorize them to sell our"Arpenkin"products."Arpenkin"ONLY Sold by "Road Guardian". We Received Many Customer Complaints Against Other Sellers for Poor Quality.