The Viking DB40 Door Bell Button Panels (Brown) permit the user to install a simple door bell button today and allow for an easy upgrade to a Viking E-40 Door Phone. By replacing the traditional door bell button with a single gang box and a Viking Button Panel, the front entrance of any home can be set up to handle the requirements of two-way audio later. Also known as -Viking Electronics VK-DB-40-BN Door Bell Button Panel In Bronze-Viking Electronics Door Bell Button Panel in Bron-Door
Bell Accessories: Viking Door Bell & Chimes Door Bell Button Panel - Bronze-Viking Electronics DB40 Door Bell Button Panel, Brown