Convenient measurement: Measuring blood pressure at home can help you understand your condition and better control your health. Measurements are taken during the medical examination like a doctor. Manage your systolic blood pressure, diastolic blood pressure and pulse rate. World Health Organization guide: This sphygmomanometer has a built-in high blood pressure indicator based on the World Health Organization guidelines to provide you with valuable insights into the health of the circulatory system. 90 memories: The sphygmomanometer detects irregular heartbeats and arrhythmias, and can store two sets of 90 data so you can access and understand progress. Easy to use: With a simple two-button operation, an easy-to-read display and an adjustable cuff, you can be sure to monitor your health at any time with the automatic upper arm blood pressure monitor. Note for use:It is recommended to test your blood pressure from the same arm (preferably the left arm) and at the same time each day; keep the center of the cuff at the same level with your heart. The cuff should be placed 2 to 3 cm above the elbow and make sure you can fit 2 fingers between the cuff and the arm. The interval between two tests should be at least 1 min.