Large Backlit Display--Easy to read measurements even in the dark Four-color indicators also provides you with a convenient way to recognize your blood pressure level. Dual User x 99 Memory--Available for 2 users, keeping 99 memories with time and date stamps for each other. Perfect to keep track of your fitness and compare trends over a period of time. Accurate Results--Adopts intelligent pressure automatic measurement tech, this bp monitor will give you not just the fastest measurements but the most accurate readings. One Button Operation--Easy to use with one-button operation. Just simply wear the cuff, pressing the START button, and you will get the reading within 30 seconds. Adjustable cuff--The adjustable 5.3-7.7 inch cuff easily fits around most adults. Lightweight and portable design suitable for home and travel use.