GPS Speedometer Car HUD Head Up Display Large Font Compass Time Overspeed Warning Windshield Projector Universal For All Vehicle

Special reminder:The working voltage of this product is 5V. It is forbidden to use power supplies below 5V, otherwise the instrument will not workFeatures:1. Plug & Play: After connecting to the power supply, car head up display can work directly without any other operations. No skip speed, more coherent and smooth display.2. Note: This device is a GPS digital speedometer, and the speed is collected from satellites. So if you test at home or a parking lot, perhaps the speed cannot be displayed correctly. Please conduct the test outside the vehicle with good signal.3. Widely Used: Built-in GPS + BEIDOU chip, car head up display is suitable for all cars, buses, trucks, bicycles, scooters.G21 GPS HUDFunction: Vehicle speed, time, number of satellites, compass, southeast, northwest, single driving distance, single driving time, total mileage, altitude, hundred kilometer acceleration test, ambient light unit for free switching between kilometers (KM) and miles (MPH), automatic light sensing functionAlarm function: overspeed alarm, fatigue driving reminderPackage Included:1 x Head Up Display