he A&D Premium Blood Pressure Monitor provides accurate blood pressure readings for up to 4 unique users from the comfort of your home. The wide range cuff accommodates an upper arm ranging from 8.6"-16.5" (22-42 cm) and gently inflates to comfortably take precise readings. Its user-friendly interface and digital LCD screen can clearly display the average for all readings, detect and display irregular heartbeat and indicate low battery. It can store up to 60 readings per user in its memory. The AC adapter and carrying case allow for portability and easy use without batteries.