Beurer BC 28 Wrist Blood Pressure Monitor is a convenient, mobile solution for measuring your blood pressure at home or on the go. Its large display shows blood pressure and pulse readings in an easy-to-read format. Other helpful features include an averaging of all blood pressure readings, as well as the preceding 7 days' morning and evening readings, and arrhythmia detection. Made to fit wrists measuring 14cm-19.5cm in circumference.