Drive smarter and safer with the HUD GPS Digital Speedometer, a compact head-up display that projects your real-time driving speed without relying on your car’s engine or OBD port. Using advanced GPS + Beidou satellite technology, this universal device works with nearly any vehicle, from cars and trucks to motorcycles, scooters, golf carts, and even boats. Its plug-and-play USB connection makes installation effortless, while the auto on/off vibration sensor ensures the unit only powers on when your vehicle is in motion—eliminating unnecessary energy consumption. With its clear MPH display and lightweight design, this speedometer is the perfect travel companion for everyday driving or long road trips.