Doorbell Button

Crossing the Blues, University of the Nations, Social Work and Education, Shop Clothes Online, Radiology Information Social Work and Education A doorbell is a signaling device typically placed near a door that emits a ringing sound to alert the occupant of the building to a visitor's presence. The electric doorbell was invented by Joseph Henry back in 1831. If you are looking to replace that old doorbell button, you should head on over to dimango.com. I'm sure you'll find a doorbell button you'll need whether wired or wireless.