Style meets performance in this contemporary, clinically accurate blood pressure monitor. Offers 90-reading memory bank with memory recall and average calculation of the last three readings. A detailed instruction manual makes it easy to use. The unit provides irregular heartbeat detection and body movement indication. Each monitor sold individually. Cuff size: 8-3/4" - 12-1/2" (22.2cm -32cm). Arm monitor includes four AA batteries; wrist monitor includes two AAA batteries.