2.2" TFT LCD ScreenThis HUD has a 2.2 inch large screen, full HD display. Built-in light sensor helps the head-up display to adjust the brightness automatically depending on the environment.This car HUD built in sun visor help you read the date clearer and no double ghost images. Rich ContentAlmost everything you need need can be displayed on this HUD, including driving speed, satellite number, single driving time, driving distance, driving direction, clock, altitude, battery voltage, speed test, brake test, over speed alarm etc. Freely switch between KMH and MPH. Reasonable DesignReasonable design Compact design, very space-saving; Adopt tilt design reasonable, let you keep your eyes always on the road, no need to stick a reflective sticker on your windshield , safer for driving. Safety Alert & Multi-Display ModesOver-speed warning and fatigue driving alert to ensure your safety during long-distance driving distances. 6 The display mode interfaces will be well changed as you like according to your habits. Multi-function display or single function display can be switched freely. Designed for all vehiclesCompatible for all cars in the market. Plug play, easy for installation. Based on GPS module and satellite, it can be used to test acceleration and braking performance. A multifunctional tool to help you know your car.