Output Frequency:5V Rated Power:5V Size Name:92*52*20mm Wire or Wireless:USB cable Origin:Mainland China Color:White and Green System:GPS for all cars Type:front windshield projection ZQKJ Car Head Up Display W1 HUD Windshield Projector With GPS System for All Cars Speedometer Auto Electronics Accessories Speed Product introduction: Wide ApplicationSuitable for all cars/trucks/buses/electric scooters/electric bicycles... Car Front Windshield ProjectorReflective film is given as a gift, the speed display is very clear without ghosting. Plug and PlayDirectly connect the car and HUD with the complimentary USB cable, without any other operations, easy to install without damaging the car. [No jump speed] No jump speed, the display is very coherent and smooth. GPS+Beidou Dual ChipThe speed is very accurate, and the speed refreshes quickly without any delay. Innovative DesignSmall body, very light, and a non-slip mat is provided to fix the HUD to the car. Large Font2.2cm large font, clearly visible during the day and at night. Speed UnitKM/H and MPH versions are available. (The speed unit cannot be changed, please choose carefully) 2 ColorsWhite and green displays are available. (The font color cannot be changed, please choose carefully) NoteThis device is a GPS digital speedometer, and the speed is collected from satellites. If testing at home or in a parking lot, the speed may not be displayed correctly. Please test in a place with good outdoor signal. After-sales serviceWhen you receive the order, please test it outdoors with a good signal immediately. If it cannot be used normally, please contact us in time, we will solve all problems for you. Product type There are four models in total. KM/H white, KM/H green, MPH white, MPH green. Please Note: This product has no setting function to change the speed unit and color. Please choose carefully, the warehouse will ship directly according to the model you purchased. Applicable models: GPS+Beidou Dual Chip, 100% suitable for all cars. Please note: You may not be able to search for satellites in places with poor signal, please use it in a place with good signal. Installation method: Easy to install, plug and play. Use the complimentary USB cable to connect the car cigarette lighter and HUD without damaging the car. Please note: You must use the supplied cable, other cables are not allowed, otherwise the machine will be burnt out.