Feature 1Multifunction Display: Car headup display, real-time display of total mileage, time, altitude, speed, satellites number, etc., to keep abreast of vehicle status. 2GPS Positioning: Support GPS positioning system, can locate time and set vehicle speed compensation to make the displayed data more accurate. 3Dual Power: Built-in large-capacity battery, support solar power and USB power supply, integrated large-area solar panel, quick charging, long endurance. Wireless head-up display, with GPS positioning system, real-time display of vehicle information, clear and accurate. Support overspeed alarm and fatigue driving reminder to make your driving safer. Features: Multifunction Display: Car headup display, real-time display of total mileage, time, altitude, speed, satellites number, etc., to keep abreast of vehicle status. GPS Positioning: Support GPS positioning system, can locate time and set vehicle speed compensation to make the displayed data more accurate. Dual Power: Built-in large-capacity battery, support solar power and USB power supply, integrated large-area solar panel, quick charging, long endurance. High Clear Display: With LCD digital display, large font display, easy to see. Solar panel can intelligently identify the brightness, and it is clear whether it is day or night. Alarm Function: Support 2 kinds of overspeed alarms, one-key switch between city mode and high-speed mode, and set the overspeed alarm value by yourself. With fatigue driving reminder, make driving safer. Power Saving: Built-in intelligent sensor, the car starts vibrating to brighten the screen, and the screen is automatically shut after parking, saving energy. Specifications: Color: Black Material: ABS + PC Voltage: 5V Power: Max. 0.45W Battery: Built-in 1000mAh Lithium Battery Item Size: 120 * 45 * 105mm/ 4.7 * 1.8 * 4.1in Item Weight: 169g/ 6.0oz Package Size: 185 * 150 * 60mm/ 7.3 * 5.9 * 2.4in Package Weight: 430g/ 15.2oz Packing List: 1 * Headup Display 1 * USB Cable Package List 1 * Headup Display 1 * USB Cable