Zone Trainer Digital Heart Rate Monitor with a black resin strap and digital display, INDIGLO night-light, 100-hour chronograph, 27-lap memory, 100-hour countdown timer, Alarm with 5 min back up, Water resistant to 50 meters, Target zones, Zone trainer, Average heart rate, Time in zone, Calories burned, Recovery timer, Max heart rate, Digital transmission, Data Recorder compatible Sports timing wa
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