Lighted Pushbutton for Visibility After Dark So Anyone Can Find the Doorbell; Simple, Single Button Design, Great for Side or Back Door Applications; The Weather Resistant Clear Ring Surrounding the White Button will Give You Many Year of Dependable Service; Installs as a Surface Mount Design to Work with Most Typical Siding or Door Trim Applications

Specifications:

Type: Wired Chime
Housing Shape: Round
Size: 2-1/2 Inch Dia