L'MS 2.5D VISUAL EFFECT Universal OBD2 Car HUD Head Up Display E300 with OBDII Interface Plug Play KM/h MPH Speeding Warning FIT FOR ALL CAR WITH OBD II or EUOBD PLUG AND PLAY. Automatic adaptation car models.Open the engine hood and find the sticker below it, if it has words like OBDII CERTIFIED, then it can be installed. 2.5D VISUAL EFFECT COOL LOOKING WITH 5.5" LARGE SCREEN.5.5" large screen and high-definition display makes the screen more abundant and easier to read DISPLAY 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. LATEST TECHNOLOGY.New function:driving mileage measurement;The use of nano-technology to eliminate unwanted reflections and can make display information more sharper. 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 EASY TO USE.KM and MPH Switch Freely.Normal Auto power on and off with vehicle started and shutdown, effective protection of the car battery; while retaining the manual switch mode.Alerts you if you exceed the speed limit by setting over-speed buzzing alarm.