With the BU 535 blood pressure monitor with voice function from Medisana you can comfortably monitor your blood pressure at home. This device allows you to accurately measure blood pressure and it even detects arrhythmia. The blood pressure monitor has 120 memory locations for each of the 2 users and an extra large, easy-to-read display with blood pressure, heart rate, date and time. The meter has a function that can calculate the average of the last 3 measurements. The wrist blood pressure monitor operates on four 1.5 V AAA batteries, which are included in the delivery.