The door chime is not batteries or wiring is required with this door chime. The door button and viewer has a brass finish. • Please note: this door chime works best for smaller homes, apartments, studios, or offices. It may be difficult to hear this chime from further than 30 feet away. • Please note: the viewer does not go in the door button, but is installed separately on the door. If you are looking for a door button with a built-in viewer (Model MCHBV), please click on the "With Built-In Viewer" option on this page or type in "B07F84GY14" in the search bar.
WARNING: This product may expose you to chemicals known to the State of California to cause cancer or reproductive harm
or
