Car HUD Display GPS Speedometer Fatigue Driving Warning KM/h MPH Setting Compass for Cars Trucks Bikes Motorcy Walkbee New ModelFeatures: 1.Universal Fit: Please use it within 5V. Adopt GPS mode, HUD display could work for all vehicles, such as trucks, bikes and motorcycles, you don't need to worry about compatibility. 2.Precise Positioning and Realtime Display: Display driving speed, time, voltage, driving icon, Driving mileage, automatic light adjustment, alarm sound switch, satellite number, Altitude, compass , automatic switch. 3.Overspeed and Fatigue Driving Alarm: Default setting is 120KM/H or 120MPH. When over?speed alarm is active, it will beep in 3 times to alert the car driver, you can adjust according to whether you need overspeed alarm. 4.Clear and Intuitive: The large digital display protects the driver's eyes from dazzling day or night, making the driver feel more comfortable, especially on long drives. 5.Simple Operation: Easy to Set up, no complicated operation required. Only connect with USB cable, no professional installation is required. Compatible with all kind of cars and trucks, ect. Specification: Item Type: HUD Display_x000D_ Material: ABS+Metal_x000D_ _x000D_ GPS Speedometer: Collect real-time speed from GPS satellites_x000D_ Travel time and distance calculation and display_x000D_ Plug And Play: Powered through the car cigarette lighter jack, no professional installation required_x000D_ Display MPH or KM/h - simple button setup_x000D_ Light Sensor: HUD can automatically adjust brightness according to the environment, suitable for daytime and nighttime driving_x000D_ Overspeed Warning: 3 seconds warning beep and flashing display will warn the driver 93 beeps for overspeed alert)_x000D_ Alarm mute function_x000D_ Compass: N (North) E (East) W (West) S (South)_x000D_ Fitment: Compatible with all cars, trucks, bikes and motorcycles. PackageList: 1 x Hud Display 1 x Sticker 1 x Reflective Paper 1 x Manual 1 x Cigarette Lighting Line