Easy to Use One-button operation makes checking your blood pressure simple and hassle-free no setup or calibration required. All your readings are clearly displayed on a large 3.6-inch screen. High Accuracy Trusted, clinically comparable results. The cuff pressure accuracy is 3 mmHg ( 0.4 kPa), and the pulse rate accuracy is within 5%, ensuring reliable and precise measurements every time. Two Power Options Powered by 4 AAA batteries or via a convenient Type-C charging port (no include cable), giving you flexible power choices at home or on the go. Personalized Features The adjustable cuff fits arm sizes from 8.6" to 16.5". The monitor detects incorrect posture during measurement, uses color-coded indicators to classify blood pressure levels, alerts you to irregular heartbeats, and more. Dual-User Mode Perfect for family use. The monitor supports two user profiles, with each capable of storing up to 99 readings, making it easy to track and compare historical data.