Fangrui Product Details 1. Sunding Sd-558c Bicycle Computer Wireless Digital Lcd Backlight Road Speedometer Stopwatch Speedometer 2. Plastic Engineering Materials, Lcd Screen, Electronic Components, Two Lines And Four Window Screens For Easy Viewing. 3. Multi-functional Bicycle Pedometer Can Dynamically Display All Information About Driving Speed, Mileage And Driving Time. 4. It Also Includes The Functions Of Thermometers, Clocks And Stopwatches. 5. Night Light Function, Convenient Night View, Water Proof, Press Any Key At Night. 6. Functions 7. Wireless Digital Code 8. Maintenance Reminder 9. Engine Oil Prompt 10. Low Battery Indicator 11. Wired Remote Control 12. Smart Backlight 13. Keep Brighting 14. Sleep Mode 15. Automatic On Off Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.