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 HUD display, real-time display of time, temperature, altitude, speed, solar charging, 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 overspeed alarm and fatigue driving reminder, the speed and time can be set by yourself to add safety to your driving. 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 Battery: Built-in 400mAh Lithium Battery Item Size: 100 * 80 * 30mm/ 3.9 * 3.1 * 1.2in Package Size: 100 * 100 * 80mm/ 3.9 * 3.9 * 3.1in Package Weight: 235g/ 8.3oz Packing List: 1 * HUD Display