Bike Computer Bicycle Waterproof Wired Speedometer and Odometer Stopwatch Cycle Bike Computer with LED Display for Outdoor Cycling

Features:
Small in size and light in weight, wired and waterproof design make it convenient and durable.
Multi-functions: the computer measures average speed, maximum speed, distance and riding time etc, to keep track of your cycling effectively.
300 seconds without signal input, screen display will enter standby mode, clock retention.
If there is a traffic signal input or press any key, it can revert to the shutdown mode and memorize the data before shutdown.
Powered by a CR2032 button battery (note: the battery is included).