$20 · 14-Function Bicycle Bike Computer Speedometer

14-Function Bicycle Bike Computer Speedometer - powered by 1 x CR2023 battery (battery included) - brand new in package - $20 firm FUNCTIONS: 1. SPD - Current Speed 2. ODO - Odometer (total distance) 3. DST - Trip Distance 4. MXS - Maximum Speed 5. AVS - Average Speed 6. TM - Elapsed Time 7. CLK - Clock (12/24H) 8. Scan "+" "-" comparator 9. Speed comparator 10. Setting speed scale (km/h,m/h) 11. Setting tire circumference (0mm~9999mm) 12. Setting the last value of odometer 13. Auto On/Off 14. Freeze frame memory