Hey, my name is elements for Piezoelectric products and this is my portfolio. Piezo elements can be used in several other things and can be quite handy for the person. It can be used to detect the vibration or the knock-in of some product.
If you are using the element, then you can use that in the bell and many other devices which you use at home daily. It is something that is used commonly among the different devices and is extremely effective too.