Mark of Fitness MF-36 Manual-Inflate Electronic Blood Pressure Monitor is fast and easy to use. Unit offers latex-free cuff that fits arm sizes 8.7 to 12.6 inches (22-32 cm). Large digital display provides easy-to-read measurements of systolic and diastonlic blood pressure and pulse rate. 30-time memory with average allows user to maintain record of results for consultation with physician. Runs on 4 "AA" batteries (not included); contains instructions in English, Spanish, French and Portuguese. 5-year warranty.