 Larger Image | Polar F4 Heart Rate Monitor - Black ThunderThe Polar F4 is an especially light model that is designed for the active lifestyle. It is easy to use and provides all important data regarding one's current, average and maximum heart rate. Its adjustable target zone and practical ZonePointer function make sure that your workout stays at the right level of intensity - for exercise that feels right.
Features includes:
Calorie expenditure
Stop watch
Average heart rate
Visble and audible alarm
Complete set consisting of chest strap (transmitter), elastic strap and watch (receiver)
Water resistant up to 30m Comes with chest belt.
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