The Sigma BC16.12 STS Cadence is a wireless cycling computer with many functions to track your progress while you ride. In addition to giving you an accurate cadence measurment while you pedal, the computer also records speed, trip distance, trip time, odomoter, temperature and averages. The computer head rests nicely on your handlebars and can be easily seen without distracting you while you ride. The computer is a digitally coded double wireless computer for the most demanding riders. Whether used for training or recreation, this computer will exceed your expectations. Featuring cadence, a stopwatch, temperature display, and backlight, this computer is ideally suited for anyone looking to improve pedaling efficiency, on the road, the trail, or even a trainer. Low battery indicator (computer head & transmitter).2 adjustable wheel sizes.Automatic recognition of bike 2.Back light.Current temperature.Forward and Backward Navigation.Weatherproof.PC compatible.Current speed.Average speed. Maximum speed.Trip distance.Current /Average speed comparison.Total distance bike 1, bike 2 & bike 1+2*. Current and average cadence.Programmable trip section counter; up & back.Ride time.Clock (12/24 hr.Stopwatch.Countdown timer.Total ride time bike 1, bike 2 & bike 1+2*.