Summary: This product is for the safety of drivers, especially in high-speed driving at night, HUD can keep driver's eyes on the road and can decrease the car accident. HUD can project important information (such as speed) on the windshield, it can help inexperienced novices to control their speed and avoid speeding violations on the highway speed limit. More importantly, it allows the driver to instantly read the number with great vision and always makes drivers see the road clearly. Function: Applicable to all cars in the world. Plug and Play. 5.5" screen and high definition screen Multicolor design makes the display richer and easier to read The use of nanotechnology to eliminate unwanted reflections and can make screen information sharper. Displays rich content: speed, driving direction, driving time, driving distance, real time, satellite number, altitude, speed alarm, free switching between kilometers and miles. Auto power on and off with vehicle start and shutdown, effective protection of car battery; While maintaining manual switch mode, and easier to control HUD. Automatic and manual brightne adjustment mode, driving without glare. Specification: Item: HUD Projecting Screen Color: Black Material: ABS + PC Size: As the picture Working Voltage: 9-16 v Ambient Temperature: - 40 to + 80 Applicable models: Universal Package Included: 1 x Car HUD Display 1 x Non-slip mat 1 x Reflective Film 1 x User Manual 1 x Cigarette lighter line 1. WORLDWIDE