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Polar F4 Heart Rate Monitor features training zone alarm, backlight, fitness bullets for time in zone and it is coded to avoid crosstalk when training with other HRM users. It is HR compatible with most popular makes of CV gym equipment. It is water resistant to 30m and has large, easy to read digits. Also gives post exercise summary of, exercise duration, time in HR zone, average heart rate, maximum heart rate and calories burnt.

Polar FT7 Heart Rate Monitor comes with comfortable textile transmitter and coded heart rate transmission to avoid cross-talk. The Energy Pointer tells you if the main effect of your training is fitness improvement or fat burning. Displays calories burned. Graphical target zone indicator display the zone you are in during a training session helping you to stay on the desired intensity zone.