With advanced accuracy, an exclusive Omron technology, this monitor measures 5 times more data points for consistent, precise readings; Easy one touch operation also detects irregular heartbeats; Stores up to 14 readings for one userSoft, Wide Range D Ring cuff is designed to comfortably fit standard and large adult arms from 9" to 17" in circumferenceOmron is the recommended home blood pressure monitor brand by doctors and pharmacists for clinically accurate home monitoring, and the selling manufacturer of home blood pressure monitors for over 40 yearsPackage includes one blood pressure monitor, one wide range cuff, quick start guide, and instruction manualNote: Blood pressure varies constantly due to many factors including stress, time of day, and how you wrap the cuff, may affect your blood pressure