Description: 【Product Name】 HUD Car overspeed alarm windshield projector digital speed mileage meter screen head up display 【Overspeed Alarm】Overspeed Alarm and fatigue driving alarm to ensure your safety in long distance driving 【Windshield Projector】LED Display vehicle speed, voltage, water temperature and mileage on the windshield 【Automatic brightness adjustment】High brightness during the day, can be seen clearly in the sun; Low brightness at night, clear and not dazzling 【Wide Application】Hud for car wide range of applications, suitable for vehicles that complied with standards, which has strong practicality. Specification: Material: Plastic Size Chart: 90mmx54mmx12mm/3.54inchx2.13inchx0.47inch Screen Size: 3.5 Inches Package Includes: 1 HUD Speedometer 1 Cable 1 Reflective Film 1 Manual 1 Nonslip mat   Note: Please allow slightly 0-1cm difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!