Features: 1. Plug & Play: After connecting to the power supply, the car HUD head-up display can work directly without any other operations. No skip speed, more coherent and smooth display. 2. Innovative Design: Self-equipped sunshade hat, even in the sun smart digital speed meter can also receive praise. And large font, clearly visible during the day and night. 3. Note: This device is a GPS digital speedometer, and the speed is collected from satellites. So if you test at home or a parking lot, perhaps the speed cannot be displayed correctly. Please conduct the test outside the vehicle with a good signal. 4. Widely Used: Built-in GPS chip, car HUD head-up display is suitable for all cars, buses, trucks, bicycles, and scooters. Specification: Type: GPS speedometer Model: Y03 Material: ABS+PC Place of origin: China Applicable models: Universal Screen type: LED Screen size: 2.8in Size: 80*54*31 (mm) Weight: 0.15 (Kg) Resolution: HD Compatibility: Strong Input signal: GPS CRT: LED Attribute: Head-up display Function: GPS speed measurement Package includes: 1*GPS speedometer 1*USB cable 1*Instruction manual Note: *Due to the different monitor and light effects, the actual color of the item might be slightly different from the color shown in the pictures. Thank you!