This new type of multifunction bicycle-odometer can display all information about the riding speed, mileage and time dynamically when riding. it also includes the function of thermometer, clock and stopwatch. Specifications: Power source: CR2032 battery Dimensions: 8.5 * 4.8 * 1.5cm Package size: 15.5 * 14.5 * 3cm Package weight: 150g Functions: 1. SPD: current speed 2. ODO: odometer (0-99999 km/mile) 3. DST: trip distance 4. MXS: maximum speed 5. AVS: average speed 6. TTM: total trip time 7. TM: trip time 8. RAT: riding all time 9. CLK: clock (12h/24h) 10. SW: stopwatch 11. temperterature (-20¡æ~70¡æ) 12. TM up: trip time up 13. TM dn: trip time down 14. trip up: trip distance up 15. trip dn: trip distance down 16. compapator 17. setting speed scale 18. maintenance alert 19. low-speed reminder 20. care reminder 21. setting tyre circumference (0mm-9999mm) 22. settin the last value of odometer 23. setting otm 24. freeze frame memory 25. LCD backlight 26. low battery indicator 27. temperature: (-20¡æ~70¡æ) 28. auto on/off Packing Include£º 1 * LCD bicycle computer 1 * Transmitter sensor 1 * Mounting shoe 1 * Magnet 1 * Bracket 4 * Cable ties 1 * CR2032 battery 1 * User Manual