2.2'' TFT LCD DisplayThis HUD has a 2.2 inch big screen, full HD display. Built in light sensor helps head up display to adjust the brightness according to the environment automatically. This car HUD built-in a lens hood help you read the date clearer and no double ghost images. Rich ContentsAlmost everything you need can be shown on this HUD, including driving speed, satellite number, single driving time, single driving distance, driving direction, clock, altitude, battery voltage, speed up test, brake test, over speed alarm etc. Freely switch between KMH & MPH. Reasonable DesignCompact design, very space-saving; Adopt reasonable tilt design, allows you to keep your eyes always on the road, no need to paste up any reflecting sticker on your windshield, more safe for driving. Security Alert & Multi-display ModesOver Speed alert and fatigue driving alert to ensure your safety during long-distance driving. 6 Display mode interfaces will be well changed as you like according to your habit. Multifunctional display or simple function display can be switched freely. Designed for All VehiclesCompatible for all cars in the market. Plug & play, easy for installation. Based on the GPS module and satellite, it can be used to test speedup, brake performance. A mutifunctional tool to help you know about your car.