The M3 IT is designed to give you an accurate reading that is easy to interpret. The Easy High Blood Pressure LED indicator signals if your blood pressure is higher than the normal range. The 22-42 cm cuff is suitable for most adult arm sizes. M3 IT connects to Bi-LINK online health mangement platform. Upload your blood pressure data via USB (cable included) to track, analyze and understand your health condition. Connect an OMRON activity monitor or weighing scale to Bi-LINK to better understand how activity and weight impact your blood pressure.