ADC Advantage Ultra 6016N Automatic Digital Wrist Blood Pressure Monitor with Storage Case, BHS AA Rated Measures systolic, diastolic pressure, and pulse; Smart Logic Technology determines ideal inflation level British Hypertension Society (BHS) A/A rating ensures unrivaled accuracy Irregular Heartbeat Detection gives you a warning signal at the appearance of an irregular heartbeat MAM Advantage Average Mode automatically averages 3 readings for superior reporting accuracy Recalls last 99 readings for 2 different people with Date/Time stamp; Optional PC link anaylzer software