HUD speedometer display Head up speed warning for buses Trucks White MP H Description: [Plug and Play]: The car HUD display works immediately when power is connected, without any other operation. And the HUD turns on/off when the engine starts/stops. [Accurate Speed]: No stroke speed, the display is very consistent and smooth. Ensure timely and accurate speed and display of your car. [User-Friendly Display Screen]: The car's Head HUD display, which allows the screen to be displayed in front of sunlight, and the large font clearly shows key data day and night. [Speed Unit]: /h and mph versions available; This device is a digital device and speed is taken from it. Therefore, if the test is carried out at home or in the parking lot, the speed may not be displayed correctly. Please test outside the car za the help of good. [Widely used]: HUD display Powered by USB 5V power supply, can work we all cars/trucks/buses/electric vehicles and more. Size Chart: 92*52*20mm/3.62*2.05*0.79in The package includes: 1 pc. HUD Head Up Car Display 1 pc. USB cable 1 pc. Mat 1 pc. Cover