DESC: The Perfect solution for competitive cyclists! The CS600X is the market’s most complete cycling system to plan, monitor and analyze your training. Cycling Features: Actual, average, and max speed Energy output in KCal/hour and KCal/km Altitude, ascent, and descent Inclinometer Graphical comparison of two values Trip function Distance, odometer, and wheel size for 3 bicycles Autostart and autostop Automatic lapping feature Estimated time of arrival Cadence - optional, see below Model with power output available - see the Polar CS600XP GPS Features (with optional G3 GPS sensor - see below): Records route data for use in mapping software such as Google Earth Heart Rate Features: Continuous EKG accurate heart rate displayed in beats per minute or percent of max Average heart rate during workout OwnZone target zone feature Heart rate based target zones OwnOptimizer - tells if you have recovered enough for next workout R-R recording - selectable recording intervals to maximize memory...