UNIVERSAL CAR HUD DISPLAY DIGITAL SPEEDOMETER 2 Safety Alarm: Speed alarm and fatigue alarm while driving to ensure safety when driving long distances, high accuracy and stability. Automatic brightness adjustment: Car HUD can adjust the brightness according to different light, very clearly in bright light and dark night. HD screen: The HUD speedometer is equipped with a HD LED screen, which provides a clearer display of information, providing more driving pleasure. Multifunctional: HUD display with speed, clock, single travel time, single distance, direction of travel angle, mileage switching, etc. Easy installation: easy installation, no complicated operation is required, just plug and play, convenient to use, save time and energy. Article type: HUD car Material: ABS and metal Voltage: DC5V Assembly: universal modification of the car List of packages: 1 x car HUD 1 x Power Cable 1 x User Manual 1 x Sticker Function: Speed Clock Direction of travel Single distance Time of a single trip Number of search satellites Acceleration time 100 km Angle of direction Speed alarm Warning of fatigue while driving Switching kilometers to mile Automatic brightness adjustment