Product introduction: This is a car head up display with LED screen. This screen can display your car data and driving data on the screen. You can view the data without lowering your head, which is very convenient. You can install it in a place where you can easily view the data while on the go. The data of this product is updated in real time, and the data is accurate. Working principle: It is a GPS series product, suitable for all vehicles, no compatibility problem. The product has a built-in GPS chip inside. It works by connecting to satellites. There are many functions displayed by the product, such as: speed, mileage, driving direction, number of satellites, over-speeding reminder, driving fatigue reminder. Appearance and image: The product is designed with an edge, which can increase the clarity of the product. There are different product screens, and the cool splash screen adds technological color. The toggle button is used to switch screens and set options. USB sockets and photosensitive holes are located on the back of the product. The product adjusts its brightness according to changes in the external environment.> Acknowledgments: Thank you for choosing our products. This one has undergone numerous quality checks so that it arrives intact in your hands. If you are not satisfied with it, let me know and I will fix it for you. Thank you very much.