Car speedometer Large fonts Function: 1. Multiple functions: display speed, single distance, driving direction, speeding alarm, driving fatigue reminder, switching between kilometers, automatic brightness adjustment. 2. Clear and intuitive display: small size of 2,6 inch avoids blocking the driver's view; displays clearer information than HUD on the windshield, allowing you to monitor the speed more conveniently. 3. Excessive speed and fatigue alarm while driving: The default setting is 120 km/h or 120 miles per hour. You can customize it do your needs. When it detects speeding, it will emit an audible signal to remind the driver. 4. Built-in GPS module, so it can be compatible with most makes and models of cars. 5. Practical tool: CE FCC RoHS certificate, ensures product quality. Suitable do cars, motorcycles, SUVs, vans, RVs, buses and practical tools to provide more driving pleasure. Specification: Item Type: HUD Speedometer Material: ABS + metal Function: 1. Speed 2. Single distance 3. Direction of travel 4. Speed alarm 5. Reminder of fatigue while driving 6. Kilometre switch 7. Automatic brightness adjustment Installation: car motorcycle SUV Van RV Bus List of packages: 1 x HUD speedometer 1 x USB cable 2 x Anti-slip mat 1 x Manual Note: Please note,Connect and play.