A&D Medical Premium Multi-User Blood Pressure Monitor UA-767F with Wide Range Blood Pressure Cuff (22-42 cm/8.6-16.5"), Home BP Monitor, Easy Read Digital LCD Screen, 60 Readings Per User (4 Users)

Cuff Size Matters! A too big or small cuff can lead to inaccurate readings.

How to Measure Cuff Size Hang an arm at the side of your body and measure the circumference (around) of the upper arm in between your shoulder and elbow.