Adjustable Large CuffAILE blood pressure monitor with wider range from 8.7 - 16.5 (22cm-42cm) upper arm, the blood pressure cuff fits for most adult arms. Strong velcro around the cuff secure it around the arm and anti-dust material as the surface is comfortable and easy to clean.Specific Algorithm and ChipAILE blood-pressure monitor have passed specific algorithm and chip certification. The blood pressure machine will provide the tests of blood pressure and pulse rate within 30 seconds.The measurements results can be easily viewed on large digital liquid crystal display. this blood pressure monitor is more convenient to use.Portable Design & Simplicity is FashionAILE blood pressure cuff monitor use apply the USB cable (included) or 4x1.5v AAA batteries (not included) to supply power for operation. Elegant size for daily use makes it easy for you to carry your pulse monitor anywhere.Simple exquisite design style will be keeping up with fashion changes.2 Users Mode & 99 MemoryAILE blood pressure machine large cuff recording the reading memory independently for 2 users. This small monitor can store up to 198 readings for 2 users (99 readings each) with time stamp, which is convenient for observing historical data.The average of the last three readings is automatically displayed.Much better than manual sphygmomanometer.Out of boxChose AILE blood pressure machine large cuff, you will get 1x blood pressure mnitor, 1x blood pressure machine large cuff, 1x USB cable (No Battery & AC adapter), 1x instruction manual. Blood pressure monitor is a great choice for parents, grandparents, lover lovers,friends and can be widely used at home or in your office.