The LifeSource Upper Arm Blood Pressure Monitor (UA-789AC) is the only home blood pressure monitor designed specifically for people with larger arms. The included extra-large AccuFit cuff fits upper arm circumferences from 16.5" to 23.6" (42?60 cm), ideal for bariatric patients, weight lifters, football players, and others with larger arms. Clinically validated to ANSI/AAMI SP-10 standards, this monitor features HeartWise Technology for accurate readings, irregular heartbeat detection, a pressure rating indicator, and memory storage for up to 60 readings. The extra-large display and single illuminated start button make it simple to operate. Includes AC adapter, carrying case, quick-start guide, and instruction manual. 5-year monitor warranty, 2-year cuff warranty. FSA eligible.