Features: - Easy to maintain. - Great for personal home use, travel and office. - Works equally well in hospitals, nursing homes or home health care. - Precision crafted manometer exceeds industry standards for accuracy. - Applies the Digital Blood Pressure monitor to measure the blood pressure. Specifications: Material: Nylon Rated power: 3W Circumference: 22-48cm Package Included: 1 * Arm Band Notes: 1.Manual measuring, please allow 1 ~ 3mm error, thank you. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.