Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Accurate Cuff for a Big Arm

As a big man with a large bicep, it is difficult to get a good accurate blood pressure reading at home with a normal sized blood pressure cuff. This unit does the job! It is easy to operate. The cuff is easily installed on the arm and my readings are very close to those I get at my doctor's office. The unit appears to be well made and I expect to get years of use from the unit. One note, the cuff is advertised as large and is actually almost extra large. I thought the cuff was going to be too big the first time I tried it. If your arms are not very large, I suggest you use a tape measure and get an exact reading before ordering.