Product introduction:It is a reflective car head-up display. The product receives signals, connects to your car, and displays your car data and driving data on the screen. You can view the data without looking down. It updates the data in real time based on your driving situation, and the data is accurate. System and function:This product is a GPS series car head-up display, suitable for all cars, with a built-in GPS chip. It works by connecting the car and accepting the satellite signal, once the product receives the satellite signal it will start to work and display your car data. It shows many functions, such as: vehicle speed, driving direction, number of satellites, fatigue driving reminder, speeding reminder. Accessories:One machine, one USB cable, one piece of reflective film, one manual, one double-sided tape. Installation method:First, stick the product with a double-sided tape, face the side with the button to your windshield, peel off the plastic film from the double-sided tape and stick it on your windshield, connect car, after the signal is searched, your car data will be projected on the reflective film. You can also choose not to stick the reflective film and reflect the product data directly onto your car windshield.