Cresta Care digital wrist blood pressure monitor BPM220 Blood pressure is known to fluctuate during the day and night. To get a good impression of your blood pressure value, we recommend that you measure your blood pressure at home several times a day. The high-quality and very accurate blood pressure monitors from Cresta Care can help you to do so. Cresta Care blood pressure monitors have been clinically tested and meet the strictest European standards. All Cresta Care blood pressure monitors have a Medical CE mark.