Features: 1.Automatic adaptation car models, and can apply for cars in line with OBD II or EUOBD Plug and Play. Open the engine hood and find the sticker below it, if it has words like OBDII CERTIFIED, then it can be installed. 2.5.5" large screen and high-definition display;Multi-color design makes the screen more abundant and easier to read3.New function:driving mileage measurement;The use of nano-technology to eliminate unwanted reflections and can make display information more sharper4.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 HUD5.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