X6 3.5 inch Car OBDII EUOBD HUD Vehicle-mounted Head Up Display Security System, Support Speed & Water Temperature & Speed Alarm & Fuel Consumption & Battery Voltage, etc. About the product 1. This product is for drivers' safety, especially in high-speed driving at night. 2. HUD can keep driver eyes on the road and can decrease car accident. 3. HUD can project the important information (such as speed) onto the windshield, it can help inexperienced novice to control their speed and to avoid speeding violation in the speed limit road. 4. More importantly, it enables the driver instantly read the number in great vision and always make drivers eyes on the road in clear mind. Main Features 1. Automatic adaptation car models, and can apply for cars in line with OBDII or EUOBD (onboard automatic diagnostic system).Plug and Play. 2. 3.5 inch screen and high-definition display 3. Multi-color design makes the screen more abundant and easier to read 4. The use of nano-technology to eliminate unwanted reflections and can make display information more sharper. 5. Display rich content: speed, engine speed, water temperature, battery voltage, fuel consumption, low voltage alarm, high temperature alarm, speed alarm, free switching between kilometer and mile, free switching between Celsius Degree and Fahrenheit Degree. 6. Auto power on and off with vehicle started and shutdown, effective protection of the car battery; while retaining the manual switch mode, and more easy to control HUD. 7. Automatic and manual brightness adjustment mode, driving without glare.