Wide-range cuff fits arm size: 8.6" – 16.5" (22–42cm). Clinically accurate readings. Fully automatic inflation and deflation. Systolic, diastolic and pulse results. Systolic, diastolic and pulse results. Irregular Heartbeat Detection. 2-person memory bank holds 500-readings, 250 per user. Includes: Monitor, adult nylon arm cuff, storage case, four AAA batteries, detailed English/Spanish instructions, quick start guide, FAQ pamphlet and blood pressure charting log.