<p>LCD Screen 4 This mini HUD has a 4-inch screen, Full HD display. The built-in light sensor helps the head-up display to automatically adjust the brightness depending on the environment. This car HUD built in a sun visor helps you read the data clearer and no double ghosting. Rich content The basic driving data you want to know can be displayed on this vehicle head-up display, including including time, driving time, driving speed, driving distance, satellite number, driving direction, overspeed alarm, tired driving warning, blue ambiance. light, etc. Switch freely between KMH and MPH.Plug and Play The vehicle's intelligent HUD display has USB plug and play operation. Simply mount the unit near the dashboard. Automatic timing of power on and off based on engine ignition. Compact design, allows you to keep your eyes always on the road, no need to stick a reflective sticker on your windshield, safer for driving. Safety alert and multiple display modes Overspeed alert and fatigue alert steering wheel to ensure your safety during long-distance driving. 6 The display mode interfaces will be modified as you wish according to your habits. One button control, multi-function display or single function display can be switched freely. Designed for all vehicles Top quality and long service life. The chip with powerful performance and compatibility to ensure dual-execution memory and dual-core CPU high-speed operator. Compatible with all cars, trucks, motorcycles and bicycles on the market. A multifunctional tool to help you know your driving car. </p>