Rich contentBasic driving data can be displayed on vehicle head-up display, driving speed, satellite number, driving direction. Freely switch between KMH and MPH. Helps drivers keep the best condition on the way. The built-in light sensor allows the head-up display to automatically adjust the brightness according to the environment, the backlight is visible during the day, soft and glare-free at night Plug and Play & 2 Installation MethodsThe smart vehicle HUD display features USB plug and play operation. Automatic synchronization of power on and off according to engine ignition. Easy to install, comes with a suction cup mount and anti-slip mat, 2 installation methods for you to choose, you can install it anywhere you want in your car. Safety Alert & Multi-Display ModesOverspeed alert and fatigued steering wheel alert to ensure driver's safety during long-distance driving. The default time is 8 hours and the default speed is 150 km/h or 150 mph. 6 The display mode interfaces will be well changed as you like according to your habits. Control button, multi-function display or simple function display can be switched freely. Designed for All Vehicles Unlike other car head-up displays, this HUD is GPS + BeiDou dual-mode chip, powerful performance and compatibility, fast refresh without latency. Compatible with all cars, trucks, motorcycles and bicycles on the market. Ultra-mini design with plenty of technology, bringing more fun and technology to your driving experience.