Oversize, easy-to-read backlit display. clinically accurate readings. displays systolic, diastolic and pulse readings simultaneously with date and time stamp. 2-person memory bank stores up to 120 readings, 60 readings for each user with average of last 3 readings. 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, adult arm nylon cuff, zippered storage case, ac adapter port, 4 aa batteries, detailed english/spanish guidebook, quick start guide, and blood pressure reading log. latex-free. adult size cuff fits arm circumference: 11-3/4 inch – 16-1/2 inch.