NuTone PB27LSN Wired Lighted Door Chime Push Button, Satin Nickel Lighted pushbutton Satin Nickel finish Model number PB27LSN Dimensions: 1-1/2-Inch x 3-1/2-Inch NuTone push buttons are available in satin nickel, polished brass, oil-rubbed bronze, antique brass, black, gold, white, and chrome finishes, and in a wide selection of designs for each