The Beurer BM44 Blood Pressure Monitor is a fully automatic and very easy to use blood pressure and pulse device for the upper arm. The blue illuminated button with extra large LCD display is crystal clear, easy to interpret and attractive in design. The BM44 is incredibly accurate and displays other information you need to know at a glance, which includes your pulse rate, systolic pressure and converts your reading into a colour-coded WHO (World Health Organisation) indication. Very easy to use upper arm blood pressure monitor. Supplied with a convenient practical storage pouch for travel or storage and an easy to follow user manual. One button operation. Irregular heartbeat detector. Batteries required: 4 x AA batteries included. Manufacturers 5 year guarantee.