The Beurer BM40 Upper Arm Blood Pressure Monitor is a sophisticated upper arm blood pressure monitor that is accurate and innovative, whilst simple to use. Easy to use design will alert the user in case of an application error and has an automatic switch off. Features the useful function of an average value reading of all stored measurements, including morning and evening blood pressure results over the last 7 days. Fully automatic blood pressure and pulse measurement on the upper arm with cuff to fit people with 23-35 cm arm circumference. The BM40 has 2 x memory channels with 60 memory spaces on each. Also comes with a convenient practical storage pouch for travel or storage and an easy to follow user manual. Optional accessories available include a power supply unit and an XL cuff (30-42cm).