H2 GPS Speedometer Digital Speedometer GPS HUD Universal All Cars Head Up Display Vehicle Speed Compass MPH KMH Speed Gauge Plug And Play

【Head-up Display】The Head-up Display features a high-definition display that shows the car's digital travel speed directly on the screen and allows you to change the display unit of speed (KMH/MPH).The GPS speedometer does not ghost in direct sunlight and is clearly visible at night 【H2 GPS Speedometer】The speedometer uses GPS system to collect and refresh the speed data according to the satellite, the refresh star is very fast, no lag/jump/delay.GPS speedometer is suitable for all cars: automobiles, diesel cars, hybrid cars, pickup trucks, scooters, buses, boats, motorcycles and so on. The applicability is very wide, don't worry that your car is not compatible 【Plug and Play, Easy Installation】The car head up display is easy to install, use the complimentary USB cable to connect the HUD and the car, put the HUD on the car dashboard, power on and you can use it. Plug and play, very convenient and does not damage the car 【Unique Button】The HUD is configured with buttons that allow you to switch the page display with a single click, as well as set the speed, speeding alarm, and brightness display. Built-in automatic light-sensing system, HUD will automatically adjust the brightness display with the environment changes 【Speed Error】About the car speed displayed on the HUD is not consistent with the dashboard, you can enter the setting item 4, short press once to set the speed accurate value, the default value is 100. how much difference of the value will be adjusted. For example, if the car dashboard speed is "69" mph and the H2 speedometer is "66" mph, then after increasing the parameter value "100" to 103 (100+3), press and hold the bobbin key button for three seconds to save and exit, and the speed calibration is complete 【Friendly reminder】 When using the H2 car head up display for the first time, you need to wait for 10-30 seconds in an outdoor area with good signal to obtain GPS signal. Please note that it cannot be used indoors or in areas with weak GPS signals

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