Newhouse Hardware BR5W Unlighted Doorbell Button, 1-Pack, Brass

Door chime button - 2-1/2 inches round unlighted, polished brass - use with doorbell chimes, bells and door buzzers. Works great with as a doorbell button replacement. PLEASE NOTE: A diode is needed (not included) if you are using a digital chime (plays a melody; has a speaker for the sound). A diode is not needed is you are using a mechanical doorbell chime (2-Note sound; has a small mallet hitting a metal bar for the sound). Does not include doorbell wire WARNING:  This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm