Features: 1. Multifunctional: This HUD can display vehicle speed in real time, as well as driving direction, single trip time, and single trip mileage using the compass. 2. Timely and Accurate: Speed and compass data are sourced from satellites, ensuring timely and accurate readings. Compass direction is not affected by magnetic fields. 3. Easy to Read: Large screen display with large green fonts. Offers 7 adjustable colors for comfortable viewing, reducing eye strain, ideal for long-distance driving. 4. Safe and Reliable: Constructed with high-temperature resistant ABS material that remains stable at 80°C for 3 hours. No internal battery, preventing explosion risks under high temperatures. 5. Compatible with All Vehicles: GPS satellite-based speed collection ensures compatibility with all vehicle types, including cars, trucks, pickups, SUVs, scooters, motorcycles, bicycles, and boats. Specifications: Item Type: Car HUD Material: ABS + Metal Functions: Vehicle speed, single trip mileage, driving direction, number of satellites detected Supports KM/H and MPH switching Alerts: Speeding alert, fatigue driving reminder Features: Adjustable display color, 7 color options Compatible Vehicles: Cars, SUVs, trucks, RVs, vans, buses, motorcycles, etc. Package List: 1 x Car HUD 1 x Mounting Bracket 1 x Power Cord 1 x User Manual 2 x Stickers Note: For proper operation, the following conditions must be met: 1. GPS positioning must be successful. 2. The compass functions only when the vehicle is in motion. 3. While driving, the compass indicates the direction of travel. Operating voltage is 5V. Do not use a power source exceeding 5V.