Upper arm blood pressure monitor, compatible with arm sizes 22-32cm, reliable OMRON brand. I am selling this because I used it a few times and then switched to a cuff for larger arms. It is included with the blood pressure monitor, so there is no box. It can still be used sufficiently. - Brand: OMRON - Model Name: HEM-CR24 - Size: 22-32cm - Body Part: Upper arm Thank you for looking.