Door chime button - 2-1/2 inches round lighted polished brass, 10-pack - 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
- Lighted surface mounted door bell button makes it easier to locate after dark 
- Plastic button with 2.5-inch round metal housing 
- Drilling may not be required if you are replacing an existing button 
- Will work with most transformers and wired chimes 
- Best used on stucco surfaces 
- 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 chime (2-note sound; has a small mallet hitting a metal bar for the sound)