Easy-to-read large LCD Display - Easy to read with large LCD display. Simple large numbers makes it more clearly to read. Accurately measure and easy to Operate - Fully automatic wrist blood pressure monitor, you can get the measurements by one-button operation.The professional blood pressure machine can detect accuracy readings. Two users mode &198 reading memory -With the built-in storage function,memory storage with date and time stamp allows you to review the last 99 readings/ double person with a touch of a button, it is the best gift for mom and dad. Fast reading - Less than 1 minute response.The cuff length is about 5.31-7.68 ( 13.5cm-19.5cm ), and the item requests 2 AAA batteries (Batteries are included in package). If for some reason you are unhappy with it we will take it back. (Within 1 year from purchase). Product Description ARSIMAI Automatic Wrist Blood Pressure Monitor It is important to track changes in your blood pressure every day for health. Easy one touch use and setup, Comfortable ergonomic design. Easy to read with large LCD display. Simple large numbers makes it more clearly to read. Lightweight design makes it even easier to accurately and conveniently get your blood pressure readings. Two users mode&2 x 99 reading memory,99 measurements allows you to keep track of your blood pressure prices. Quick response in under a minute with our fully automatic wrist blood pressure monitor that gives you clinically accurate results