The Invacare Deluxe Dual Memory Blood Pressure Monitor is clinically validated for accuracy. This blood pressure monitor features a large digital screen that displays systolic/diastolic reading and pulse rate for two or more people. Stores up to 60 readings that can be accessed with the touch of a button and calculates and displays the average of total readings stored in memory. Features Pressure Rating Indicator™, irregular heart beat detection, cuff inflation meter, and low battery indicator. Includes monitor; two cuffs- one medium cuff, fits arms 9.4”–14.2” (24-36cm) and one large cuff, fits arms 14.2”-17.7” (36-45 cm); quick start card, log book and carrying case. Uses 4 AA batteries (not included) or AC adaptor (included). Latex-free. 5-year Manufacturers warranty.