BP Kit with LED Screen For Easy Read: The Large LED screen with white backlit and large fonts provide more clear and precise reading at day and night for an excellent visual experience. The blood pressure machine has automatic one-key operation, just press the "Start/Stop" button for quick reading under 1 Minute. Especially suitable for the elders to use at home or people with poor vision. Accurate & Reliable Monitor You Can Trust: Built-in advanced sensor & updated algorithms, the upper arm blood pressure machine has been verified by thousands of trials to provide best performance and more accurate results. High-precision, blood pressure±3mmHg, pulse±5%. A color scale indicator on the screen for WHO guidelines easily interprets whether the blood pressure is high or low. For Home Use: The systolic & diastolic blood pressure and pulse rate can be provided to make it easier to determine the treatment plan. The sphygmomanometer also significantly shows a warning symbol if the heart rate reading is out of its usual rhythm and skipping or adding a beat. (Note: if does always identify an irregularity, go to see your health consultant and explain what has happened.) 2* 120 Readings for Separate Management: No more manual recordings - take advantage of the memory function and retrieve up to 240 sets measurements for 2 users (120 records for each) directly from our Upper Arm BP Machine. It also automatically calculates the last 3 groups average readings, which allows you to track the health of your body easily. Adjustable D-ring Arm Cuff Fits Most Arms: Designed with soft nylon material and adjustable velcro, the blood pressure cuff can be adapted to different upper arm circumferences from 8.7" to 15.7" (22 - 40cm). With cuff self-checking and movement reminder function, the innovative intelligent pressurization technology provides both precise reading and comfort experience during the measuring process.