The omron m3 Automatic Upper Arm BP Monitor Intellisense delivers the accuracy and reliability that you expect from omron blood pressure monitors, with additional advanced features to give you confidence in the quality and consistency of the results. the m3 is supplied with an easy cuff (22-42 cm), meaning it fits most adult arm sizes right out of the box. the m3 is also designed to give you a reading that is easy to interpret. the easy high blood pressure led indicator signals if your blood pressure is higher than the normal range. led cuff wrap indicator confirms that cuff is wrapped correctly on your arm: not too loose or too tight. the m3 it connects to bi-link online health management platform. upload your blood pressure data via usb (cable included) to track, analyze and understand your health condition the m3 it connects to bi-link online health management platform.