Lee BC266B Gold Finish Wired Push Button With Unlighted White Center Button, specially designed for all chimes and bells to 16 Volts. This push button is easy to install, simply remove the old push button and detach the two wires from screws on the back, mount it to the surface of your door frame or exterior wall. Use the same two wires and attach to screws on back of this new push button. Use wood screws to mount (2 screws are included).