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 Specifications: 1. Plug and play, HUD can automatically adapt to vehicle type which in line with OBDII. 2. Overspeed reminding, the icon of overspeed will flicker and alarm when the vehicle exceeds the speed limit set up in advance. 3. Shift reminder, it will remind the driver to gear up to save fuel when the engine speed and vehicle speed come to a certain ratio. 4. Fatigue driving alarm, after driving for 4 hours, the fatigue driving indicator light will flash to remind the driver to have a rest. 5. Automatic adjustment of luminance, brightness can be changed with change in the outside world. 6. Multi-functional display, clock, rotate speed, water temperature, battery voltage, throttle angle and fuel consumption. 7. Real-time one hundred kilometer / instantaneous fuel consumption, display fuel consumption of one hundred kilometer when the vehicle is moving. 8. Engine speed alarm, it contributes to shift gear in time to save fuel also has significance to new driver. 9. Flexible brightness adjustment, the brightness can be adjusted automatically or manually to reach the best state which is in harmony with the environment.