This SmartHeart Automatic Digital Blood Pressure Arm Monitor comes with a wide-range cuff and the fully automatic inflation and deflation provides clinically accurate readings. It has intelligent inflation which untilizes results history during measurement to determine inflation level, allowing for a faster measurement and more comfortable reading. The 2-person memory bank holds 120 readings, 60 per user and the memory recall has a date/time stamp. This unit provides systolic, diastolic and pulse results and an average of the last 3 readings. 1) Hypertension Indicator & Irregular Heartbeat Detection, 2) Automatic Shut-off, 3) Wide-range cuff fits arm size: 8.6" - 16.5" (22-42 cm), 4) Not made with natural rubber latex, 5) 4 AAA batteries and storage case included.