The iHealth BP7 Wireless Blood Pressure Wrist Monitor is a fully automatic wrist cuff blood pressure monitor that uses the oscillometric principle to measure your blood pressure and pulse rate. The monitor works with your mobile devices to test, track and share vital blood pressure data. The iHealth BP7 Wireless Blood Pressure Wrist Monitor (Electronic Sphygmomanometer) is intended for use in a professional setting or at home and is a non-invasive blood pressure measurement system. It is designed to measure the systolic and diastolic blood pressures and pulse rate of an adult individual by using a technique in which an inflatable cuff is wrapped around the wrist. The measurement range of the cuff circumference is 5.3 to 8.7 (13.5cm-22cm).