14 Functions included: SPD - Current Speed ODO - Odometer DST - Trip Distance MXS - Maximum Speed AVS - Average Speed TM - Elapsed Time RPM - Rotation per Minute * CLK Clock (ICON) Comparator Scan (ICON) Setting Speed Scale (km/h, m/h) * Setting Tire Circumference (10cm-239cm) Setting the Last Value of Odometer Auto On/Off Material: Plastic * Color: Black Size: About 52*45*15mm/2.05"*1.77"*0.59" LCD Size: About 30*18mm/1.81"*0.71 Sensor Cable Length: About 800mm/31.50" * Package Included: 1 x LCD Bicycle computer Speedometer 1 x Universal sensor bracket 1 x Wheel magnet 1 x English user manual