Get fast and easy blood pressure readings at the push of a button. Unit features a contoured cuff (fits 9" - 13" upper arm), error indicators, large LCD display for pressure and pulse and a power-off function that turns off power after 5-8 minutes. Cuff automatically inflates by pushing one button and deflates when measurement is complete. Remembers up to 14 readings. 2 year warranty. Operates on 4 AA-size batteries or with an AC Adaptor.