-Wireless ECG-accurate heart rate -Heart rate (displayed as bpm) -Heart rate (displayed as % of maximum heart rate) -Heart rate (displayed as % of heart rate reserve) -Heart rate (displayed as graphical trend) -Automatic/Manual target zone (% / bpm) -HeartTouch button-free operation of wrist unit -Visual and audible alarm in target zones (3 cadence-based zones and 3 heart-rate based zones) -Graphical target zone indicator -Exercise Set (extended exercise profiles) -Number of exercise files with summaries (99) -Auto start/stop -Polar OwnZone: personal exercise session feature -Polar OwnCal: tracks calories burned -Polar OwnCode:personal transmission feature -Polar OwnOptimizer: personal training status -Polar Fitness Test with OwnIndex -Polar sport zones -Polar ZoneLock -Polar ZonePointer: indicates when a pre-set target zone has been reached -Maximum heart rate (of total exercise and of each lap) -Average heart rate (of total exercise and of each lap) -Minimum heart rate of total exercise -Automatic lap recording (99 laps) -Exercise date -SonicLink: data transfer to web (requires PC w/sound card and microphone) -Trip time -Trip distance -R-R intervals: relaxation rate measurement and low-intensity measurement -Interval timers -Distance-based interval guidance -Distance-based recovery measurement -Altitude, ascent and descent -Odometer (1/2 and total) -Temperature -Speed (current, average and max) -SpeedPointer -Wheel size settings for three bicycles -Bike mount -Wireless speed sensor -Estimated Time of Arrival (ETA) -Graphical comparison of heart rate and speed -Calorie consumption (rate/km; rate/hour) -Calorie expenditure -Easy start (setting wizard) -Speed Pointer -Automatic display scroll -Multifunctional handlebar/stem installation -Speed sensor installation for different fork shapes -Time in target zone -Target zone limits -Weekly history -Water resistant (splash proof) -Alarm with snooze -Stopwatch -Dual time zone -Exercise reminder (visual/alarm) -Backlight -Display zoom -Time of day (12/24h) -Date and weekday indicator -Low-battery indicator -User-replaceable battery -Compatible with Polar ProTrainer 5 software