Omron RS4 Wrist Blood Pressure Monitor RS4 Omron RS4 Wrist Blood Pressure Monitor Cuff wrap guide Hypertension indicator Irregular heartbeat detection 60 memories Average of 3 readings Advanced positioning sensor Depth: 20 MM Height: 62 MM Width: 93 MM Power Type: Battery This device is a digital monitor intended for use in measuring blood pressure and Intellisense Technology Cuff Wrapping Guide Irregular Heartbeat Detection Pre formed, easy to fit cuff 60 memories Average of 3 readings