3 Series upper arm blood pressure monitor Our quick and easy Omron 3 Series home blood pressure monitor utilizes a simple one touch mode, which can store up to 14 readings at a time while still giving you an accurate reading every time you monitor. Includes cuff that fits medium and large arms. When you trust your heart to Omron, you will be empowered by accuracy. ***Advanced accuracy helps ensure consistent, precise readings ***Easy one-touch operation allows home blood pressure monitoring to be both simple and accurate ***Contoured cuff design wraps the arm for a more comfortable measurement. Fits standard and large adult arm circumferences from 9 to 17 inches ***14 memory storage allows you to review the last 14 readings with a simple touch of a button ***Detects and alerts you of irregular heartbeats while your blood pressure is being measured ***Operates on 4 AA batteries (not included) In the box One 3 Series Blood Pressure Monitor Wide-Range Cuff (fits arms 9 to 17 inches in circumference) Quick start guide Instruction manual