Description1.SAFE DRIVING: heads up display for cars can read and display car data at a glance, so that you can only focus on driving, never lower your head when driving, and escort your safe driving 2.MULTI-FUNCTION: automatically read and display vehicle data such as car speed, engine speed, mileage, etc. In order to ensure driving safety, it is also equipped with overspeed alarm, vehicle fault alarm, etc. 3.OUR ADVANTAGES: high-definition color LCD gauge, OBD+GPS dual working mode, read more data, clear car fault codes, 8 kinds of variable color atmosphere lights, 5 kinds of different UI display interface, free switching, give you a new driving experience. 4.STRONG COMPATIBILITY: obd2 gauge display the OBD+GPS function by default. If the vehicle does not have the OBD2 protocol, the GPS function is automatically displayed. Only applicable to gasoline vehicles after 2008, not compatible with electric vehicles, hybrid vehicles, trucks, etc 5.EASY INSTALLATION & WORRY-FREE AFTER SALES: plug and play, non-destructive installation, can be installed on the dashboard or attached to the windshield. The digital speedometer for car warranty period is one year,