Car HUD Display 3 Inch GPS Speedometer with Overspeed Warning Fatigue Alarm Universal Fit Features： 1、Multifunctional Display: Experience a more secure and more convenient driving with our head-up display that provides real-time information such as speed, time, driving direction, single mileage, speed alarm, fatigue driving reminder, and speed unit switch (KM/H, MPH). It\u0027s like having your own personal driving assistant! 2、GPS+BDS Dual Mode Chip: This heads-up display is equipped with a GPS+BDS dual mode chip that ensures accurate and real-time synchronization with up to 32 satellites. With its high refresh rate and zero delay, you can trust it to guide you to your destination without fail. 3、Automatic Brightness Adjustment: No more squinting at your display under harsh sunlight. This GPS speedometer comes with a light-sensing element that automatically adjusts its brightness according to the intensity of the external light. Enjoy clear visibility even under strong light. 4、Universal Compatibility: Whether you drive a new energy vehicle, fuel car, bus, truck, pickup, or motorcycle, our device is designed to work perfectly with all types of vehicles. It\u0027s the ultimate driving accessory for every driver. 5、Plug-and-Play Connection: Say goodbye to battery drain worries and complicated installations. Our car head-up display connects via USB for a plug-and-play experience. It doesn\u0027t require OBD power supply and has no standby current, making it a hassle-free addition to your driving experience. Specification： Main Material: ABS, PC Screen Size: 3 inches Screen Type: LED Product Color: Black Product Size: 80*54*31mm/3.15*2.12*1.22inch Package Information:? Package Size: 12.7*9*4cm/5*3.54*1.57inch Package Weight: 123g/0.27lb Package List： 1 * Heads Up Display 1 * Hood 1 * 2M USB Cable 1 * Non-slip Mat 1 * Instructions