Universal Car HUD GPS Speedometer - G23 Heads up Display Digital Speedometer MPH Real-Time Display with Overspeed Alarm & Fatigue Driving Alert, Plug and Play USB, Auto Brightness for All Vehicles

GPS Speedometer with Oversized Display：This 2025 upgraded GPS speedometer combines an oversized 3.8-inch display with a high-definition Heads-Up Display (HUD) for ultimate driving convenience and safety. Heads up display for cars with large main screen clearly presents all essential data at once-including real-time speed (MPH), trip time, mileage, clock, and compass direction.More than just a speedometer, this multi-functional device also provides a directional compass and audible alerts for speeding warnings, making it a comprehensive driving assistant. Cool color changing ambient light：The car speedometer has cool color changing ambient lights, with multiple colors to switch freely (red/yellow/blue/green/cyan/pink), creating a passionate or romantic personalized atmosphere for your cabin Universal & Effortless Installation: This universal GPS speedometer is designed for seamless compatibility with virtually any vehicle equipped with a USB port-from cars, trucks, buses, and motorcycles to electric scooters, bicycles, boats, golf carts, and even hybrid or diesel engines. Installation is remarkably straightforward: simply plug the USB cable into your vehicle's USB port, and it’s ready to use instantly. No complicated setup, calibration, or adjustments are required. Enjoy true plug-and-play convenience and start benefiting from accurate, real-time GPS speed tracking right away. Multi-Alarm GPS Speedometer：This gps speedometer for car goes beyond simple speed tracking by incorporating a comprehensive multi-alarm safety system. You can set three custom alarm values simultaneously-such as 150, 180, and 200 km/h (or mph)-each triggering its own visual and/or audible alert. When any speed threshold is exceeded, the device activates an instant real-time flashing reminder on the display, ensuring you are promptly and clearly notified without distraction. Designed with an extra layer of consideration for driver safety, these intelligent alarm functions help you stay aware, drive responsibly, and protect yourself on the road-making every journey safer and more secure. HD Display with Auto Brightness: GPS speedometer mph Features an intelligent light-sensitive screen that eliminates manual adjustment. It automatically adapts the display brightness to external lighting conditions-ensuring optimal clarity both in bright daylight and at night. Technology Processing Chip: Digital GPS speedometer HUD features a dual-core processor and dual memory, operating on a high-performance 10Hz chip. This ensures smooth, stable performance and virtually eliminates data delay. A proprietary "speed lubrication" algorithm further refines transitions, delivering an exceptionally fluid and reliable real-time speed display for a seamless driving experience. Smart Auto On/Off: HD Car hud intelligently starts up with your car's ignition and powers down when the engine stops-ensuring effortless, seamless operation. Please note: Due to its reliance on the vehicle's power supply, it only displays current mileage from the start of each trip. It does not retain previous distance data after shutdown or accumulate total mileage across power cycles.