OMRON is the home blood pressure monitor brand by doctors and pharmacists for clinically-accurate home monitoring. The OMRON Gold Wrist Monitor provides unlimited memory and stores 200 total blood pressure readings for 2 users. The OMRON Gold Wrist Monitor also works with the OMRON Connect free app which is compatible with Amazon Alexa-enabled devices The high morning average indicator alerts the user if systolic or diastolic measurements are out of normal range in the morning, when there is a higher risk for heart attack or stroke. This feature is unique to the Gold and Platinum series monitors.Do not use any abrasive or volatile cleaner The Gold wrist monitor comes with premium OMRON features like Heart Zone Guidance, which helps to guide your wrist to the proper position (at heart level). Ultra-Silent inflation feature allows for measurements to be taken quietly and discreetly Backed with a 5- year warranty, OMRON stands behind the accuracy and quality of our products, and believes in the longevity of our blood pressure monitors Blood pressure varies constantly and the following factors including stress, time of day, and how you wrap the cuff may affect your blood pressure