This traditional metal wired door chime push button is designed for use with a low voltage doorbell system and has a black finish with a lighted push button in the middle. This push button is designed to be surface mounted. Requires no holes to be drilled. Wired chime and 16VAC/10VA transformer required (sold separately). | Heath Zenith | | Black Metal/Plastic Wired Pushbutton Doorbell | Best Buy