Bicycle-Computer Bike Speedometer Waterproof Velocity Meter Multi-Functions Stopwatch for Cycling Realtime Speed Track

Features:
14 functions: SPD, ODO, DST, MXS, AVS, TM, R, Clock, Scan, Comparator, Setting speed scale/tyre circumference/the last value of odo-meter, Auto on/off.
Small size, light weight and fashionable design.
Large digital display is convenient to read the data.
Waterproof, you don't have to worry about the rainy day.
Suitable for all types of bicycle, such as road bike, mountain bike, folding bike, common bike and so on.