This is a nice product to have if there is anyone in your family that suffers from High blood pressure, or even Anxiety. I have the little on that you wrap around the wrist which I bought to check my husband and my mother in law. I am very happy I got this one it is simple to use and it comes with a little case that you can take with you anywhere. For a lot that don't know Blood Pressure is a measurement of pressure of the blood flowing against the walls of the arteries.