Other FeaturesTouch sensor buttons,Illuminated black XL display,PC interface/USB cable included,Fully automatic blood pressure and pulse measurement on the upper arm,PC interface/USB cable included,Cuff holder,Average of all saved measured values,Average of morning and evening blood pressure for the last 7 days,Extremely large, easy-to-read black display,2 x 60 memory spaces,Risk indicator,Arrhythmia detection,Medical device,For upper arm circumferences from 22 to 30 cm,Date and time/automatic switch-off,Incorrect usage message,Low battery indicator,Storage bag,Incl. 4 x 1.5 V AA batteries,XL cuff (30 to 42 cm) available as an accessory,"beurer HealthManager" software available for free download.