The Medisana upper arm blood pressure monitor BU A50 is the perfect choice for checking your blood pressure at home. The following values are measured and displayed: systolic pressure, diastolic pressure, heart rate, date and time. This blood pressure monitor is designed with an extra large cuff (upper arm circumference is 22-36cm) and an extra large easy-to-read display. The BU A50 can also detect heart rhythm disorders and it has 60 memory locations per person, for 2 users. The average value of the last 3 measurements is calculated. Measurements are classified according to the WHO (World Health Organisation) evaluation system and use a traffic light colour scale. The pulse monitor is powered by four AA batteries, which are included in the delivery.