Polar Beat FS3 Target Heart Rate Monitor

The FS3 has additional features beyond the basic heart rate monitor for a complete workout. This well-rounded HRM offers automatic age-based heart rate zones that will keep you exercising on the right track. Features a large easy-to-read display, Target zone settings, Out-of-Zone Alarm, and a Time-of-Day with Alarm. This heart rate monitor has an elapsed timer that displays the duration of your workout, as well as how often you were in and out of your target zone.