Clinically Accurate andamp Trustworthy: Bioland's advanced chip and high sensitivity sensor provide fast and accurate readings, individually calibrated for reliability. Adjustable Cuff for Comfort: The large cuff fits most adult arms (22-42cm or 8.7-16.5 inches), made of durable, easy-to-clean materials, and features a sticker for precise placement. One-Touch Operation: Easy to use with a single button, automatic power-off, and a clear LCD display for effortless reading, suitable for all ages. Portable andamp Versatile: Dual power supply (USB or AAA batteries) makes it ideal for home, office, or travel, ensuring you can monitor your health anywhere. Comprehensive Package: Includes the monitor, batteries, cuff, manual, and storage bag. It can record data for two users simultaneously, making it a great choice for families.