ITEM NAME:Bike Cycling Speedo Speedometer Digital LCD Backlight Bicycle Odometer #gib Product Description Description: Bike Cycling Speedo Speedometer Digital Large Display LCD Backlight Bicycle Odometer Specification: Weight: 150g Material: engineering plastic, LCD display screen, electronic components, etc. Display: 2 rows 4-window display (as shown) Size: product size 9*4.5*1.5cm/3.54*1.77*0.59in; display screen size 7.3*1.7cm/2.87*0.67in; cable length about 82cm/32.28in Power supply: 1 X CR2032 button battery (included) Function: 1. SPD CURRENT SPEED 2. ODO ODOMETER(0-99999km/mile) 3. DST TRIP DISTANCE 4. MXS MAXIMUM SPEED 5. AVS AVERAGE SPEED 6. OTM TOTAL TRIP TIME 7. TM TRIP TIME 8. RTM RIDING ALL TIME 9. CLK CLOCK(12H/24H) 10. SW STOPWATCH 11. TEMPERTERATURE (-20℃-90℃) 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(km/h,m/h) 18. MAINTENANCE ALERT 19. LOW-SPEED REMINDER 20. CARE 21. SETTING TYRE CIRCUMFERENCE(0mm-9999mm) 22. SETTIN THE LAST VALUE OF ODOMETER / ODO(km/mile) 23. SETTING OTM 24. FREEZE FRAME MEMORY 25. LCD BACKLIGHT 26. LOW BATTERY INDICATOR 27. TEMPERATURE 28. AUTO ON/OFF Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3cm measuring deviation due to manual measurement. Included: 1set x Bike Speedometer(with Chinese Manual).LCD BACKLIGHT. Material: engineering plastic, LCD display screen, electronic components, etc. AUTO ON/OFF. If item is defective after 3 months, you can still send it back to us. We will send you a new one after receiving the defective item.