Be confident your reading is accurate. 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. BP level bar: Shows how your readings compares to the internationally recognized guidelines for normal home blood pressure levels. Two user mode: Allows two users to track their readings. Advanced averaging: Exclusive technology automatically displays the average of up to the last 3 readings taken within the last 10 minutes. Irregular heartbeat detector: Detects and alerts you of irregular heartbeats while your blood pressure is being measured. 120 memory storage: 60 memory storage for each person (120 total) with date and time stamps allows you to review the last 60 readings with a touch of a button. 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, 4 AA batteries. Due to continual product improvements, images on packaging may differ slightly from actual product.