Packed with motivating features to keep you on track, the FT4F is a sure-fire ticket to better health and wellness. It displays your heart rate as a percentage of your maximum heart rate, beats per minute and within a graphical target-zone indicator so you see results as they happen. Polar OwnCal® shows your energy expenditure as well as your accumulated calories burned over several exercise sessions – perfect for achieving both short- and long-term goals. Visual and audible alarm for when you exceed or dip below your target zone. Watch includes comfortable transmitter with a coded heart-rate transmission that avoids crosstalk. Time display with alarm and snooze. Water-resistant to 30 meters. Case diameter: 38mm. Color: Purple/Pink.