GPS Speedometer Digital Display Multifunctional USB for All 5V Car

【HUD Gps Speedometer】: The MAIMEIMI gps speedometer displays your speed and direction of travel via gps in real time. The heads up display is designed to avoid the dangerous act of looking down at instrument data, providing a safer driving experience. gps speedometer can switch between MPH or KM/H two speed unit modes（setting – Mode 8）, in addition, the lights and fonts on both sides of the gps speedometer can also switch colors, you can switch according to your needs and preferences.
【Multi-functional Heads Up Display】: Our heads up display can display not only the current driving speed, but also the time, driving direction, driving duration and mileage. You only need to press the wheel button of heads up display to enter the switching mode, and then press the wheel again after adjustment. It is worth mentioning that when you use gps speedometer mode and the speed is 0, the heads up display will automatically jump to the time.
【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.
【Automatic brightness adjustment】: The MAIMEIMI digital speedometer is equipped with light sensors that can sense the light intensity of the current environment and make timely adjustments. So whether it’s day or night, the digital speedometer for car data is clearly visible. digital speedometer for car also supports manual brightness adjustment, long press the key to enter the setting menu mode, adjust to the serial number 7-brightness mode can increase or decrease the brightness.
【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.