Accurate satellite positioning for safe driving: Universal digital speedometer with head-up display (HUD). This digital GPS speedometer with head-up display (HUD) allows you to focus on driving information without taking your eyes off the road, which improves driving safety. Compatible with all vehicles equipped with a 12V cigarette lighter socket (cars, trucks, vans, motorhomes, electric scooters, electric bikes), it projects the speed in real time onto the windshield without you having to take your eyes off the road. Dual-satellite GPS + BeiDou technology for accurate positioning. The large, high-contrast digital display is designed for optimal visibility through the windshield. Its integrated sun visor and high-brightness digital display ensure perfect visibility day and night, without glare. You can choose between the speed units km/h and mph according to your preferences. This HUD system significantly reduces visual distractions, allowing you to stay focused on the road. Quick and easy installation, versatile applications. Simply connect the device to a 12V socket in your vehicle and place it on the dashboard for immediate use. Its compact and lightweight design makes it easy to move it from one vehicle to another. It is the ideal accessory for older vehicles that lack a reliable digital speedometer, enthusiasts looking for accurate measurements, and users of electric scooters and bikes. Product information: Material: Durable ABS housing. Color: Black. Power supply: 12V DC (cigarette lighter plug). Connection: Dual-chip GPS + Beidou. Display: Large digital HUD screen with sun visor. Package contents: 1 x HUD speedometer, 1 x USB/12V power cable.