Pyle One Button Heart Rate Watch Clock display (12/24 hours) Exercise time stopwatch Wireless ECG-accurate transmitter belt Target zone setting with audible alarm Average heart rate Clock display (12/24 hours) - date display - exercise time stopwatch Wireless ecg-accurate transmitter belt - target zone setting with audible alarm Average heart rate - maximum heart rate - data file shows exercise details Energy saving mode (night time) - stainless steel cover One key operation