Product description Finally, an accurate upper arm blood pressure monitor for home use that is designed for people with larger arms! The Upper Arm Blood Pressure Monitor with XL Cuff from LifeSource by A&D Medical empowers you to comfortably and reliably take your blood pressure at home. Easy-to-use, this blood pressure machine can be used by bariatric patients and others with a larger arm circumference, like weight lifters and football players. Standard BP cuffs usually have a range of 9-17, but this cuff fits 16.5-23.6 arms. The 789AC is clinically validated and meets ANSI/AAMI SP-10 requirements and features two high-performance motors to help inflate the XL cuff quickly. This BP monitor also includes a pressure rating indicator, irregular heartbeat detection, an extra-large display, and a large illuminated start button with one-button operation. This device stores the last 60 blood pressure and pulse rate readings in its memory. IN THE BOX: 789AC blood pressure monitor with XL cuff, carrying case, AC adapter, quick-start card, 4-week log, and instruction manual. Can also be run by four (4) AA batteries (not included). NEED HELP? Our dedicated customer satisfaction team can be reached at (888)726-9966, and they can answer any questions or concerns you might have regarding your device. ABOUT LIFESOURCE BY A&D MEDICAL: LifeSource by A&D Medical is a doctor recommended brand of health monitoring devices designed to help patients and their families track and troubleshoot with their doctors, all from the comfort of their homes. The technology in the blood pressure monitors, activity monitors, scales, thermometers, and smart devices help make keeping track of your health easy. LifeSource