MAIMEIMI GPS Speedometer for Car Head Up Display for Cars, HUD Digital Speedometer for Car MPH, Compass, Clock, and Overspeed Alarm, Fatigue Driving Alarm, Car Heads Up Display for All 5V Vehicles

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【HUD Digital Gps Speedometer】: The MAIMEIMI speedometer for car displays your driving speed and direction in real time via GPS, and the design of the heads up display allows you to avoid the dangerous act of looking down at car gauge, ensuring safer driving. The Speedometer displays speed data in large font, making it easier to read. The Digital speedometer is configured with 6 display colors, which you can switch according to the driving environment or your own preferences. 【Multi-data Heads Up Display】: MAIMEIMI heads up display for cars In addition to the current speed, it can also display the direction of travel, time, and number of satellites. It is worth mentioning that the HUD speedometer can display speed and time individually or simultaneously. What else, the Heads up display can also switch the speed unit MPH or KM/H, you can adjust according to your own needs, MAIMEIMI heads up display to provide you with more convenient and safe driving conditions. 【2 Alarm Functions】: MAIMEIMI digital speedometer for car is configured with two alarm functions: Overspeed and fatigue driving.The two initial default warning values of the Digital speedometer are: more than 150KM/H warning, and more than 8 hours of continuous driving warning.Therefore, we recommend that you adjust the car heads up display according to the needs and traffic rules. We believe that the two alarm functions of the digital speedometer will greatly improve your safe driving factor. 【For 5V Vehicles】: The MAIMEIMI HUD gps speedometer operates at 5V, so as long as your vehicle has a 5V USB port, the gps speedometer is compatible with your model. Easy to install, plug and play, just connect the USB of the MAIMEIMI gps speedometer to the USB port of your car, the heads up display will automatically switch on and off with the car ignition, don't worry about wasting power. 【Note】: The Car heads up display must not use a voltage higher than 5V. When the Gps speedometer is in the underground parking lot and other signal instability, the displayed data may have a certain deviation, and the vehicle can be returned to normal when it is driven to the open road. If you find a certain difference in the speed display after starting the HUD speedometer, you can follow the instructions to enter the setting mode to manually fine-tune.