The Omron M2 Upper Arm Blood Pressure Monitor HEM-7121-E is a reliable and efficient device for monitoring your blood pressure. This digital monitor is designed for ease of use with automatic measurements and a comfortable fit on the upper arm. Powered by batteries, this unit is compliant with DOT/NHTSA regulations and features a sleek white design, making it a convenient and accurate tool for managing your health. The Omron HeartGuide product line ensures quality and precision in monitoring your blood pressure levels. Cuff length is 22-42 cm. Please buy bigger cuff separately if required.