Feature:GPS Speedometer Display: 2022 latest version extra large 5.5inch screen, which can display the most important MPH data and driving time/mileage/time/direction at the same time, two scales show the speed and the number of satellites respectively, the compa in the middle gives you the direction, satisfying all your data needs during the driving proce.Driving Safety Alert:HUD speedometer has two important reminders, speeding alert and fatigue driving alert, when the speed exceeds your set value, it will emit a ticking sound to remind you so as to reduce the speed; driving time over 4 hours will remind you to need a short break, a caring safety butler during the journey.HD Data Display:Features a GPS navigation direction compa to help drivers by indicating directions. Equipped with an automatic light-sensitive screen, no need to adjust manually, it will automatically adjust the most suitable display brightne according to the external light, whether in the daytime or at night you can get the clearest data, providing a safer day and night driving experience.Easy to Use:One key operation, pre for 2 seconds to enter the setting menu, short pre to switch the display mode, left to switch the speed and driving direction angle, right to switch the time, number of satellites, driving distance, driving time, etc.Plug And PlayPlug-and-play, simply mount the unit near the dashboard. It is powered via the included cigarette lighter USB cable. Automatic synchronization of power on and off according to engine ignition.Works for All Vehicles:Unlike other car head-up displays, this HUD is GPS+BeiDou dual-mode chip, so you don't need to worry about compatibility iues and latency problems.Compatible with all vehicles around the world, with fast speed refresh and no latency.Specification:TypeG3 GPS Car HUD Speedometer Head up DisplayMaterialABS+PCColorBlackChipsGPS+BeiDou dual-mode chipDisplay Type5.5inch LCD ScreenDisplayed dataMPH/KMH/driving time/mileage/time/directionInput voltageDC 5VPower Supplyvia the included cigarette lighter USB cableFeaturesGPS navigation direction compaAutomatic light-sensitive screenUniversalCompatible with all cars, trucks, and motorcyclesPackage Includes:1 x G3 Head Up Display1 x Micro USB Cable1 x Non-Slip Mat