Applicable to all vehicles: This head-up display adopts GPS Beidou dual-mode chip dual system, compatible with all vehicles in the world, and can simultaneously display speed, driving time, mileage, time, direction, etc. The refresh speed is fast and there is no delay. Various Functions: Equipped with a 1.8-inch mini HD LED screen, the information display is clearer, no matter how you place it, this digital GPS speedometer is clear and natural. It has functions such as speed MPH KM/H, time, driving distance, driving time, acceleration time to 100 kilometers, driving direction, overspeed alarm, fatigue driving reminder, etc. Drivers can set them according to their own driving habits. Plug and Play: The car smart HUD display has hassle-free plug and play operation. Simply mount the unit near the dash or use the swivel suction cup mount to secure it to the A-pillar or windshield. Safe driving: The mini head-up display allows you to clearly see the speed and direction of your driving without looking down, so as to avoid accidents caused by looking down at the speed of the car. And it will automatically adjust the brightness of the display according to the light, so you don't have to worry about not being able to see the head-up.