Omron HEM 907XL Professional Digital Blood Pressure Monitor is designed for clinical use in a professional setting. Features: -Automatic cuff inflation, Averages 3 Readings, with four cuff sizes included -- small, medium, large and extra-large -Reliable power supply through included AC adapter and rechargeable battery pack -Five-Year warranty. Omron HEM 907XL Professional Digital Blood Pressure Monitor Clinically validated for accuracy the Omron IntelliSense Professional Digital Blood Pressure Monitor is designed for clinical use in professional setting including physician's office hospital or other point of care environment. Features: Automatic cuff inflation and deflation eliminates the need to predetermine inflation level setting Average mode measures up to three readings and averages the total for more accurate measurement Greater choice of arm cuff circumferences with four cuff sizes included-small medium large and extra-large Reliable; Power supply: through included AC adapter or rechargeable battery pack Five-Year warranty