Polar Heart Rate Monitor Watch FS1

The FS1 Monitor is designed to help users achieve their Personal fitness goals and to indicate the level of physiological strain and intensity during an exercise session. It has added features beyond the basic heart rate monitor to give a complete workout. Visual and Audible alarm in target zone / Stopwatch / Water resistant to 50 meters / Extra large digits Recording features: Exercise time (total) / Average heart rate of total exercises Watch features: Time of day / Stopwatch Includes Wrist Unit with CR2025 battery, Transmitter with built-in lithium cell, and Elastic Strap to hold transmitter on chest.