Portable head-up display, OBD+GPS dual system, real-time display of vehicle information and mobile phone navigation information, with multiple alarm functions, making your driving safer. Built-in various styles of display interface and interface colors for you to choose, you can freely match according to your preferences, come and try. Features: OBD+GPS dual-system head-up display shows the vehicle information and mobile phone navigation information in real time, allowing the driver to focus on the road ahead, which is conducive to safe driving. Multi-function headup display supports read the vehicle data and display time, vehicle speed, RPM, water temperature, battery voltage, driving time, fuel consumption, altitude, speed-up test, etc., simple operation, and timely knows the vehicle status. With multiple alarm functions, overspeed alarm, RPM alarm, water temperature alarm, voltage alarm, fault code alarm, fatigue driving reminder, which add a safety guarantee to your driving. It adopts a low-profile design, which not only integrates with the car, but also demonstrates the technological temperament of headup display equipment. The appearance adopts polycarbonate and ABS mixing process, high temperature and Ultraviolet resistant. Clear display without flicker, built-in light sensor system, can automatically adjust the screen brightness according to the current environment, 8 levels of automatic adjustment, smooth transition without flicker, changes with the outside world. The display screen can be adjusted to find the driving angle that suits you. Abandon traditional fan heat dissipation, adopt porous heat dissipation technology, quick heat dissipation, energy saving, and no noise. Specifications: Color: Black Material: ABS Screen Size: 4.0 Inch Item Size: 128 * 116 * 32mm/ 5.0 * 4.6 * 1.3in Item Weight: 320g/ 11.3oz Package Size: 180 * 145 * 50mm/ 7.1 * 5.7 * 2.0in Package Weight: 370g/ 13.1oz Packing List: 1 * Headup Display 1 * Power Card 1 * OBD Cable 1 * Cloth 1 * Manual