[Plug and Play for All Vehicles]: This head-up display is compatible with all cars, vans, and trucks. Both systems (OBD2 and GPS) are adjustable via a rotary knob. Thanks to its two separate cables, installation is simple: just plug it in and it's ready to use. [3.5-inch LED Screen]: The head-up display projects information onto the windshield for easy reading while driving. A large, clear image, a sunshade on top of the screen, and a light sensor that automatically adjusts brightness according to ambient light contribute to a safer and more comfortable driving experience. [Automatic On/Off]: The GPS speedometer automatically turns on when the vehicle starts and automatically turns off when it stops. No manual action is required. Convenient, easy to use, and energy-efficient. [Displays 6 Parameters]: This car projector displays a variety of important driving information, including: speed (km/h, mph), engine RPM, voltage, coolant temperature (Celsius/Fahrenheit), distance traveled, and the number of satellites. [Brushed Finish]: Thanks to its brushed finish, this high-resolution car projector is resistant to rust, oxidation, scratches, and chemical corrosion, ensuring it maintains a bright and shiny appearance for a long time.