Bicycle speedometer and odometer wired waterproof bicycle bicycle computer with LCD Display & Multi-Functions Product description [Functions] 1. SPD:Current Speed 2. ODO:Odometer (Total Distance) 3. DST: Trip Distance(One-Time Mileage) 4. MXS:Maximum Speed 5. AVS:Average Speed 6. TM: Elapsed Time(Riding Time) 7.CLK: Clock (12H/24H) 8.SCAN:- Screen display varies among ODO, DST, MXS, AVS, TM, RPM,CLK every 4 seconds 9. "+" "-" - Comparator 10.Setting Speed Scale (km/h, m/h) 11. Set Tyre Circumference(Measure the diameter of wheel, multiply by 3.14, get the perimeter of wheel) 12. The total length of the initial value setting (SETTING TYRE CIRCUMFERENCE) 13. Driving data sampling (FREEZE FRAME MEMORY) 14. Maintenance reminder(MAINTENANCE ALERT) 15. Auto on/Sleep Mode(No used it after 5 minutes ,automatically switch to sleep mode) [Description] Dimensions:5.4*4.1*1.4cm Weight:110g Screen: LCD Display [Package Includes] 1*Bicycle Computer 1*Magnet 1*Mounting Shoe 1*Wired Sensor 1*Wired Remote Control 1* Battery 6*Ties The More You Buy, the Better the Deal To Better Fit You,please Do Measure the Size and Compare to the Size Chart Before Placing Order. Halloweenhalloween Decorationshalloween Decorhalloween Decorations Indoorhalloween Decorations Outdoorhalloween Home Decoroutdoor Halloween Decorationshalloween Decorations Clearancedecorationhalloween Christmaschristmas Decorations Before Christmaschristmas Decorations Clearancethe Before Christmasholidaynightmare Before Christmas Popchristmas Clearance AFTER SALE SERVICE: 30 Days after sales service and exchange, reply you within 24 hours to solve your problem.