E-10 Heart Rate Monitor - Continuous heart rate, Time, Date, Water resistant, Large display, ECG accurate, User changeable batteries, Interfaces with heart rate interactive exercise equipment.

E-15 Heart Rate Monitor - Continuous heart rate, Average heart rate, Maximum heart rate, Target Zone, Out of zone visual alarm for high/low target zone, Audible alarm OFF mode, Calories Burned, Time, Date, Stopwatch/Exercise time, Water Resistant, Large display, ECG Accurate, User changeable batteries, Interfaces with heart rate interactive exercise equipment.

WM-25 Heart Rate Monitor - Designed by Physical Education Professionals, for Physical Education Professionals. Features: Continuous heart rate, Average heart rate, Maximum heart rate, Target Zone, Out of zone visual alarm for high/low target zone, Audible alarm OFF mode, Time in/above/below target zone recall, Calories Burned, Time, Date, Stopwatch/Exercise time, Water Resistant, Large display, ECG Accurate, User changeable batteries, Interfaces with heart rate interactive exercise equipment.

EKHO Heart Rate Monitors can be purchased individually and in 20 or 30 class packs. Class packs include transmitters, elastic straps and an aluminum lockable storage case.