Liiiyuan HUD M17 - OBD2 GPS Dual System Digital Speedometer

【What is HUD】： Short Head Up Display. It displays driving data on the front windshield such as speed,RPM,water temperature,voltage single mileage etc. HUD avoids the danger of drivers looking down at the dashboard. It ensures the safety of drivers because of watching the data on the car front window glass, and helps drivers to keep the best state on the way. A variety of operating interface modes and colors can be switched freely, It will bring more fun and Technological sense to you.. 【Compatible Details】：This product is a dual system OBD+GPS product.OBDll is suitable for vehicles manufactured after 2008.GPS model is suitable for all vehicles.OBDll model is not compatible with hybrid electric cars, diesel cars, pickup trucks, saloon cars, computer modified cars.GPS model is recommended.. 【OBD system Functions】：speed/rpm/water temperature/voltage/fuel consumption/single trip mileage/single trip time/100km acceleration time/altitude/direction of travel/clear fault. 【Instructions for use】Our product is easy to install, plug and play, just use the usb cable included inside the product to connect the car and the product, start the engine to power on and use. When you find the small icon on the product is flashing constantly, it means the product is collecting satellites, and the speed will be displayed only when the device searches for satellites.. 【Certification and after-sales service】：All our products have passed CE/FCC/ROHS certification, you can use them with confidence. If you encounter any difficulties in the process of use, please consult us directly by e-mail, we will provide you with better after-sales service!