Fully automatic, one-button operation is easy to use for at-home monitoring. displays systolic, diastolic and pulse readings simultaneously on a clear LCD display. memory bank stores up to 90 readings, with average of last three readings. Body movement indicator alerts user to excessive movement during measurement. irregular heartbeat detection alerts the user to an irregular heartbeat during measurement. includes: monitor, adult arm cuff, large adult arm cuff, storage case, 4 aa batteries, detailed english/spanish guidebook, quick start guide blood pressure reading log. latex-free. adult cuff fits arm circumference: 8-3/4-inch - 12-1/2-inch. large adult cuff fits arm circumference: 12-1/2-inch - 16-1/2-inch.