Clinically Proven Accurate monitor has one touch use, BP level indicator, irregular heartbeat detector, IntelliSense® inflation technology for comfortable testing, Tru Read™ with advanced averaging, AM/PM averaging and calibration check system with dual sensors that automatically double checks each reading. ComFit™ cuff fits arms 9”–17”. Cuff Wrap Guide visually confirms that the cuff is wrapped correctly. Two user mode has 200 memory storage (100 each person). Carrying/storage case included. Operates on 4 AA batteries (not included) or AC adaptor (included). Manufacturers 5-Year Warranty.