Features and Benefits Dual Line Display--Allows you to view two different readings at the same time. Target Zone Indicator --Indicates when you are above, below, or within your heart rate target range. Heart Rates--Records average and/or maximum heart rate for workout. Target Zone : Out-of-Zone Alarm--Provides you with an audible and visual out-of-zone alarm to alert you. Calories Burned--Measures the number of calories you use during your workout. Polar OwnZone(r)--During your warm-up, Polar's technology analyzes your heart's beating to determine a safe and effective heart rate zone for you---your OwnZone. Using this info, the monitor provides two levels of intensity guidance for your workout, indicated by blinking and sounding alarms. Key Specs Model Number: F6 Time of Day -- Stopwatch-- Alarm-- Elapsed Exercise Time-- Receiver Water Resistant: Up to 30 Meters

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