Beurer Upper Arm BP Monitor BM27 Limited Edition And Beurer Thermometer - FT09 Fully automatic blood pressure and pulse measurement Easy-to-read display Classification of values with coloured scale For upper arm circumferences from 22 - 42 cm Date and time / automatic switch-off Product Description Measuring is even more simple with the BM 27 upper arm blood pressure monitor. The cuff position control and the automatic incorrect usage message mean that application is simplified and measuring errors can be avoided. Product Information Display - Yes Power Source - Battery operated Other Features Arrhythmia detection (Warning function for possible disturbance in heart rhythm) Product Type - BP Monitor Brand - Beurer Model Name - BM27 + FT09