Brand New Universal 5.5" Colorful Car A8 HUD Speed Head Up Display with OBD2 Interface OverSpeed Warning Plug & Play Vehicle Speedometer KM/h MPH Display, Fuel Consumption, Water Temperature 1. Automatic adaptation car models speed display, can apply for cars in line with OBD II or EUOBD (onboard automatic diagnostic system).Plug and Play, super easy use; 2. 5.5" large screen and high-definition hud display; Multi-color design makes the screen more abundant and easier to read; 3. Automatic and manual brightness adjustment mode, driving without glare;Auto power on and off with vehicle started and shutdown, effective protection of the car battery; while retaining the manual switch mode, and more beneficial to control HUD; 4. New function of this Vehicle HUD:driving mileage measurement;The use of nano-technology to eliminate unwanted reflections and can make display information more sharper 5. This Head-Up-Display contain rich content: speed, engine speed, water temperature, battery voltage, instantaneous fuel consumption, average fuel consumption, mileage measurement, shift reminding, fatigue driving reminding, low voltage alarm, high temperature alarm, speed alarm, engine fault alarm, fault code elimination, free switching between kilometer and mile. NOTE: DO NOT COMPATIBLE WITH HONDA CAR!