Advanced accuracy: Our most precise home blood pressure monitor ever, to help ensure consistent precise readings. Multi-colored BP level indicator lights: 'Green' light indicates your reading is within the normal range, 'Orange' indicates hypertension range. Easy-wrap cuff: Cuff misalignment also contributes to inaccuracy. For extra assurance, our expanded coverage cuff inflates around your entire arm ensuring the brachial artery is compressed for an accurate reading. ComFit cuff: A cuff might not be properly wrapped if it is not easy to put on and tighten. Omron's patented pre-formed arm cuff expands to fit both regular and large sized arms, to help ensure more comfortable, accurate readings. TruRead: Automatically takes 3 consecutive readings one minute apart and displays the average, following the guidelines set by the American Heart Association. BP level bar: Shows you how reading compares to the internationally recognized guidelines for normal home blood pressure levels. Extra-large digits with backlight for easier to read results. Irregular heartbeat detector detects and alerts you of irregular heartbeats while your blood pressure is being measured. 200 memory storage with advanced averaging: 100 memory storage with advanced averaging for 2 users (200 total). Date and time stamp to make it easy to review the last 100 readings with a touch of a button. AC adapter plugs into your wall to ensure the monitor is ready whenever you are. Clinically proven accurate. Operates on 4 AA batteries (not included). Contains: 1 digital automatic blood pressure monitor, 1 ComFit cuff (fits arms 9 inches to 17 inches, 22 cm to 42 cm in circumference), 1 illustrated English/Spanish instruction manual, 1 quick start guide, 1 AC adapter. Due to continual product improvements, images on packaging may differ slightly from actual product.