Clinically accurate and 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 (2242 cm / 8.716.5 inches), made of durable, easy-to-clean materials, and features a marker 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 and 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.