Wire or Wireless:USB cable Origin:Mainland China Color:White and Green Type:Front windshield projection Head up display:Car Electronics Accessories GPS hud:car hud Car display:projection for car glass HUD:GPS Speedometer System:GPS for all cars NOTE 1. Don't worry when you receive a product that cannot be used correctly. The reason why the product cannot work is that the GPS signal has been affected. Please stay away from other electronic devices and try again. 2. For example, when used in a garage or basement, the signal may weaken, resulting in the product being unusable. Please drive the car to an open area and try again. Feature: 1. Plug & Play: After connecting to the power supply, car HUD head up display can work directly without any other operations. No skip speed, more coherent and smooth display. 2. Innovative Design: Self equipped sunshade hat, even in the sun smart digital speed meter can also receive praise. And large font, clearly visible during the day and night. 3. 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. 4. Widely Used: Built-in GPS chip, car HUD head up display is suitable for all cars, buses, trucks, bicycles, scooters. Specifications Output Frequency:GPS Digital Speedometer Rated Power:HUD Head Up Display Km/ Size Name:92x52x20mm Electronics:Car accessories HUD:Windshield Speed Projector Package Included: 1 x Head Up Display hello, guys, thank you for visiting my store.if you want buy more than we listed, please contact us.Welcome to visit.Hope you have a nice day!