EKHO WM-25 Class Pack of 24 (PAC)

24 Calorie counting EKHO E-300 Heart Rate Monitors AND 24 Extra Chest Straps plus Free Aluminum storage case. Use for Competitive Training activities, Walking, Jogging, Running, Cycling, Swimming and Aerobics. Accurately measure calories burned during any activity. Continuous heart rate readings, manual and automatic target zone settings with visual/audible alarms, calorie measurements based on personal data, stopwatch, count down timer, time-of-day, calendar, water resistant, and user-select exercise mode. Reports average and maximum heart rate, calories burned plus in and out of zone timing. 5 year warranty plus user replaceable batteries for easy maintenance.