Polar exercise features: Wireless ECG accurate heart rate Polar OwnCal® Target zones with visual alarm Target zones with audible alarm Zone Pointer Fitness Bullets (for every ten minutes in target zone) Maximum heart rate of total exercise Average heart rate of total exercise Exercise Date Cycling features: Bike mount opt. Weight management features: Polar OwnCal® Computer connection features: UpLink, settings upload from Polar web site or software to wrist unit Recording features: Number of exercise files (with summaries) = 1 Exercise Time (total) total Time in target zone Target zone limits Average heart rate of total exercise Calorie expenditure (Exercise/Total/Fat%) - Exe.Tot. Basic features: Heart rate (displayed as bpm) Heart rate (displayed as % of maximum heart rate) Visual and audible alarm in target zones Water resistant to 30m Heart touch, button-free operation of wrist unit Manual target zone (% / bpm) Automatic age-based target zone (% / bpm) Watch features: Time of day (12/24h) with alarm Date and weekday indicator Stopwatch Language features: Display text in English Transmitter belt: Comes with Polar T31 transmitter Polar T31 coded transmitter compatible Polar WearLink 31 coded transmitter (changeable battery) compatible Polar T61 coded transmitter compatible