DESC: Just what you asked for! The CS100 puts Polar's famed heart-rate measurement together with a host of cyclo-computer features. The heart-rate monitor features include maximum and average heart rate to help you make the most of every exercise session while distance, maximum and average speed track your two-wheel fun. The CS100 even includes top-notch features such as auto start and stop so you can focus on riding not programming your computer. Features: -Wireless ECG-accurate heart rate -Heart rate (displayed as bpm) -Heart rate (displayed as % of maximum heart rate) -Automatic/Manual target zone (% / bpm) -Visual and audible alarm in target zones -Exercise Set (extended exercise profiles) -Polar OwnZone: personal exercise session feature -Polar OwnCal: tracks calories burned -Polar OwnCode:personal transmission feature -Target zones with visual alarm -Target zones with audible alarm -Maximum heart rate of total exercise -Average heart rate of total exercise -Minimum heart rat