About this item LARGE & SMART DISPLAY EASY TO READ - The large screen with white backlit and large fonts provide more clear and accurate reading at day and night , especially suitable for the elders to use at home or people with poor vision.Featuring a clear traffic light style indicator , self-checking cuff positioning and movement detection features provide a visual symbol on the device for accurate measurements. DOUBLE USER MODE 199 RESULTS STORED - The 30M blood pressure machine supports 2 users, each with up to 199 records stored against their user. Automatically displays the average of your last 3 readings. The 30M blood pressure Machine helps users to easily track their health, blood pressure and heart rate according to the specific time and date. A great option for blood pressure machines for home use.Help measure your blood pressure easier and effectively of your home PROFESSIONAL AND RELIABLE MONITOR - The blood pressure monitors Using a high-quality air pump and intelligent inflation technology can reduce discomfort and tension caused by excessive inflation and ensure a more comfortable measurement experience.Self-test function and misoperation reminder can minimize inaccurate readings caused by inappropriate use of cuff.The cuff fits most adult upper arms (22-42cm/8.7-16.5inch). EASY TO USE AND FULLY AUTOMATIC - WITH UNIVERSAL / LARGE CUFF - Just wrap the blood pressure cuff around your upper arm (suitable for arm circumference 22-42cm) in a relaxed sitting position, press start and that's it! Your Blood pressure and heart rate readings will be displayed on the large LCD screen in less than a minute. Measurements include: systolic pressure, diastolic pressure, pulse rate, date, time, and user ID.