Features manual inflation/automatic deflation. Easy-squeeze inflation bulb makes this digital blood pressure monitor convenient for home use. Clinically accurate readings. 60-reading memory bank. Large LCD display indicates reading progress and systolic, diastolic and pulse results simultaneously with date and time stamp. Hypertension Indicator provides an instant comparison to standards set by the World Health Organization. Irregular Heartbeat Detection alerts the user to an irregular heartbeat during measurement. Includes: monitor, large adult size arm nylon cuff with inflation bulb, zippered storage case, AC adapter port, 4 AA batteries, detailed English/Spanish guidebook, quick start guide and blood pressure reading log. Latex-Free. Large adult size fits arm circumference: 16-1/2-inch - 18-7/8-inch.