-Wireless ECG-accurate heart rate -Automatic/manual target zone (% / bpm / HRR%) -Easy start (setting wizard) -Event countdown timer -Graphical target zone indicator -Heart rate (displayed as % of maximum heart rate) -Heart rate (displayed as bpm) -HeartTouch button-free operation of wrist unit -UpLink: settings upload from Polar web site (requires PC w/sound card and headphones/loudspeakers) -SonicLink: data transfer to web (requires PC w/sound card and microphone) -Visual and audible alarm in target zones -Water resistant (to 50m) -Average heart rate (of total exercise and of each lap) -Maximum heart rate (of total exercise and of each lap) -Heart-rate based target zones with visual and audible alarms (3) -Maximum heart rate (Polar Fitness test-based and age-based) -Interval trainer guided workouts (heart rate, pace, distance) -Number of laps -Polar Fitness Test with OwnIndex -Polar OwnCal: tracks calories burned -Polar OwnCode: personal transmission feature -Polar sport zones -Polar ZoneLock: activate a target zone -Polar ZonePointer: indicates when a pre-set target zone is reached -Calorie expenditure -Total exercise time -Exercise file info page with date and time -Lap info -Target zone limits -Alarm with snooze -Date and weekday indicator -Dual time zone -Low-battery indicator -Stopwatch -Time of day (12/24h) with alarm -Polar Own Zone - determines your personal heart rate zone -Polar Sport Zones - select your training zones