Blood pressure monitor. Fully automatic measurement of blood pressure and pulse at the wrist. Calculates the average of all stored values as well as the morning and evening blood pressure readings from the last 7 days. Features voice output of the measured values in German, English, Italian, and French. Detects and warns of any arrhythmias. Cuff fits wrist circumferences from 14 to 19.5 cm. Includes 2 AAA batteries. The Beurer BC21 blood pressure monitor offers you an easy way to measure your blood pressure. Additional useful features that facilitate measurement include a risk indicator and arrhythmia detection. The measured values are also communicated to you via voice output. Easily measure blood pressure at home. With the blood pressure monitor, you can easily measure your blood pressure at home. This is especially helpful if you suffer from high or low blood pressure and need to monitor it regularly. However, to obtain accurate results, there are some points to consider. You should measure blood pressure at rest and avoid moving or speaking during the measurement. This way, you will receive reliable data about your blood pressure even at home. Please note that self-diagnosis and treatment based on the measurement results can be dangerous. Consult your doctor if you encounter unexpected results and follow their instructions. Measurement at the wrist. This blood pressure monitor measures arterial pressure on the inside of your wrist. Simply place the cuff on the pulse point, and the measurement can begin. During the measurement, you should keep the cuff at heart level as much as possible, as otherwise, the result may be distorted.