Accurate Blood Pressure Monitors for Home Use: ALPHAGOMED digital automatic upper arm blood pressure monitor equipped with the advanced algorithm, providing consistent and accurate readings based on a large amount of collected data. Two Adjustable Blood Pressure Cuffs: M/L Cuff (9"-17") and Extra Large cuffs (13"-21") included, fits most upper arm sizes, range from 9-21 inch in circumference. Nylon material for more comfortable measuring experience. Oversized Operation Button & Screen: Extra large START/STOP button for one button operation, fully automatic taking blood pressure within 30s. Automatic shut-down after 3 mins no use to save power. Extra large 3.55 display screen. Easy to use and read. 2 User Mode & 180 Memories: provides 3 months memories storage for daily use blood pressure Monitor to clearly track the status of your blood pressure trend, simple and effective. Whats in Box: 1x blood pressure monitor, 1x standard size cuff, 1x extra large cuff, 1x