NuTone Masterpiece Series PB-36 LPB, Lighted Pushbutton, Solid Brass Doorbell.  For use with 10 to 16 Volt Chimes.  Mounting screws included.  Approximate Measurements:  Length 5"  Width 1".  Made in the USA.  Installation Directions are on the backside of the package.  Condition:  New Item in Original Packaging.     Thank You