The Omron M3 comfort is a clinically validated blood pressure monitor that makes it easy to keep track of your hypertension at home. This blood pressure monitor uses the oscillometric method of blood pressure measurement. This means this monitor detects your blood movement through your arrtery and converts the movements into digital reading. The device detects the appearance of irregular hearbeats during measurement and gives a warning signal with readings. Features: Intelli Wrap Cuff Technology - Accurate results in any position aroundthe upper arm1 Memory Capacity - 2 users x 60 memories + guest mode. Your monitorcan store data for two separate users, enabling you to track individualreadings and trends Irregular heartbeat detection - The OMRON M3 Comfort can detectirregular heartbeat during your usual blood pressure monitoring Cuff Wrap Guide - The OMRON M3 Comfort has an indicator to let youknow that your cuff is wrapped correctly Body Movement Detection - Signals if too much movement is detectedduring measurement, to avoid inaccurate readings Hypertension indicator - Indicates if result is above recommended level Specifications: Dimensions: H:8.5 x W:10.5 x D:15.2 cm Colour: White Guarantee:3 Years Batteries Required: Yes Model Number: OMRM3COMFORTY19 Self Assembly Required: Yes