Newhouse Hardware Gold Metal Wired Door Chime Buzzer

Door chime button - 1.75 inches round lighted, polished brass with black button - use with doorbell chimes, bells and door buzzers. Works great with as a doorbell button replacement. 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).