About this item MEASURE FAST AND ACCURATE: This blood pressure monitor uses advanced algorithms to ensure accurate readings. In addition, this blood pressure monitors for home use features a self-test function and a misuse alert to minimize inaccurate readings caused by improper use.Measurements are fast, with blood pressure results available in approximately 1 minute. ONE BUTTON OPERATION: Simply put on blood pressure cuffs for home use, relax and press the on/off button to get your results. The home blood pressure monitor with tri-color indicator light helps you to know your health condition easily. Whether you are young or old, you can use the device with ease. The device turns off automatically after 1 minute of inactivity to save power. DUAL USER MODE AND GUEST MODE: This home blood pressure monitor can store up to 2x120 measurements. You can easily view these measurements on your device, with each data providing systolic, diastolic and pulse readings, as well as the time of measurement and user. This is very convenient for people who want to keep track of their blood pressure. In addition, guest mode allows you to help a friend measure their blood pressure without recording data. ADJUSTABLE LARGE BLOOD PRESSURE CUFF: This blood pressure cuffs comes with a large cuff to ensure a comfortable measurement experience. Smart inflation technology reduces discomfort and tension caused by over-inflation. The cuff circumference ranges from 8.6 inches to 16.5 inches and fits most adult arms. COMPACT DESIGN AND REECHARGEABLE BATTERY: This blood pressure monitor upper arm is compact and lightweight, so it won't take up much space at home or on the go, making your daily life easier. Fully charged in just 2 hours. The rechargeable battery can perform up to 150 measurements on a full charge, so you don't have to recharge it as often or worry about it running out quickly.