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. ・Real-time display helps track speed,distance,time,and multiple data instantly ・Auto backlight function,it will automatically turn on/off backlight when sunset/sunrise ・IPX4 water resistance allows for riding in rainy days ・Easy installation,and good durability. Provided mounting accessories for different demands ・Powered by a CR2032 battery(included) 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. OTM:TOTAL TRIP TIME ・7. TM: TRIP TIME ・8. RTM:RIDING ALL TIME ・9. CLK:CLOCK (12H/24H) ・10. SW: STOPWATCH ・11. TEMPERATURE (-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. “+&rdquo “-&rdquo COMPARATOR ・17. SETTING SPEED SCALE(km/h,m/h) ・18. MAINTENANCE ALERT ・19. LOW-SPEED REMINDER ・20. CARE REMINDER ・21. SETTING TYRE CIRCUMFERENCE(0mm～9999mm) ・22. SETTING THE LAST VALUE OF ODOMETER ・23. SETTING OTM ・24. FREEZE FRAME MEMORY ・25. LCD BACKLIGHT ・26. LOW BATTERY INDICATOR ・27. AUTO ON/OFF Specifications: ・Water resistance:IPX4 ・Power source:1* CR2032 battery (included) ・Dimensions:8.5 * 4.8 * 1.5 cm/3.3 * 1.9 * 0.6 in Package included: ・1 x Bike Computer ・1 x Mounting Shoe with Sensor ・1 x Fixed Shoe (with a Sponge Pad) ・1 x Fixed Ring ・1 x Connection Bar ・1 x Bridge Bar ・1 x Magnet ・1 x Lock Bar ・6 x Ties ・1 x English and Chinese User Manual