Measuring is even more simple with the bm 27 upper arm sphygmomanometer for blood pressure tracking. The cuff position regulate and the automatic incorrect usage message mean that application is simplified and measuring errors can be avoided. Fully automatic hypertension levels and pulse measurement at the top section arm easy, To, Read display overall average measurements 4 x 30 memory spaces classification of values with coloured scale arrhythmia detection warning if a situation arises with possible heart rhythm disturbance cuff wrapping guide for upper arm circumferences from 22, 42 cm medical product calendar date and time / automatic switch, Off signal in case of application error automatic pressure preselection and deflation blood pressure passport battery changing indicator with storage pouch arrhythmia detection warning function for possible disturbance in heart rhythm positioning indicatorfor correct positioning of the blood pressure monitor at heart level risk indicatorclassification of measurements with coloured scale universal cuffuniversal use