Product Name: Bicycle code meter bicycle wired speedometerDisplay accuracy: high accuracyMaterial: plasticWaterproof: YesSpecification: black shell blue light, black shell green lightMain functions:Real time speed, time display (clock), trip display (trip), ride time (ridetm), average speed (avspd), maximum speed (maxspd), total distance display (ODO)Extended functions:Stopwatch function (STW), instant temperature display (Temp), minimum temperature (mntemp), maximum temperature (mxtemp), instant calorie consumption (CAL), total calorie consumption (kcal), fat burning (fat), target distance up setting (km +), ride time up setting (time +), turn on scan mode (scan distance, ride time, average speed)