Polar FT4 Fitness Heart Rate Monitor
The Polar FT4 Heart Rate Monitor is a best seller, tracking your calories burned and giving valuable feedback on your progress. The FT4 features easy age-based setup, target zones, calories burned, and displays your heart rate in beats per minute or percent of max. The FT4 stores your most recent 10 workouts allowing you to review average and max heart rate, calories burned, time in target zone, and exercise time. The Polar FT4 is the ideal heart rate monitor for general fitness users looking to track calorie burn.
Please see this link for its replacement.