WEST BIKING Wireless Multi-functional Bicycle Computer Waterproof Bike Speedometer

Features:
Multi-function: display time, temperature, speed, tread frequency, measure calories, average speed, maximum speed, total mileage, and cycling time.
With 7 days memory function and stopwatch function.
Full-screen backlight, barrier-free data observation at night (press the left and right buttons at the same time to turn on/off the backlight).
Support two different tire sizes of bikes to record data together.
USB charging, 150h standby time, 15h working time.
The data test is stable and accurate.
Daily waterproof, not afraid to ride on rainy days.