Polar is the number one choice among consumers, coaches and personal trainers worldwide. THey are committed to not only producing the best products, but also being the leading educator on the benefits of heart rate based exercise. At TCI we trust in Polar Products to corroborate our training intensities with our client's capacity. The feedback from the heart rate monitors gives us valuable information and allows us to fine-tune a workout session.

The F4 provides basic Heart Rate Features, Watch and Stopwatch, Exercise time in Zone and Average heart rate. Target Zone Limits, and Own Cal.