Features: Screen 2.4 inch HD display,Small and exquisite. Nano-technologyto eliminate LCD,more clear. Auto power on/off: HUD start and off with vehicle started and shutdown, effective protection of the car battery;retaining the manual switch mode,more easy to control HUD. Automatic and manual brightne adjustment mode,driving without glare. Suitable for all cars. Specifications: Material:ABS+PC Screen type:LED Applicable modelsUniversal Screen size2.4 inches Color:Greenwhite Package include: 1 x Head Up Display1 x Manual1 x USB cable1 x Non-slip Mat About Y03 HUD: Functions: GPS and Beidou dual chips, the speedometer is very accurate, and the speed is refreshed quickly without any delay. Innovative design, with sunshine hood itself, good review even under sun. Plug & Play, after connect power supply, it will work directly, no need any other operation. Large font, clearly visible both during the day and at night. Speed unit is KMH (not support MPH). Wide application, it can work on all cars, trucks, buses, E-scooters, E-bikes. The Device is GPS Digital Speedometer, and speed is collected from satellites. So if tested at home or parking lot, perhaps speed can't display correctly. Please test it on the car outside with good signal. Note: it's speed display ONLY, no other function. Specification: Model: Y03 Screen Size: 2.8 Inch Material: ABS+PC Screen Type: LED Applicable models: Universal for most vehicles Color: Black and Green Package Included: 1 x HUD 1 x Micro USB Cable 1 x Anti-Slip Gel Pad 1 x Manual Do drop