Simple to install, this battery-powered, wireless doorbell allows you to choose from 48 melodies and classic Westminster chimes to announce your guests! Songs include William Tell Overture, The Nutcracker, Jingle Bells and many more. The 2-piece set includes a wireless receiver that you can place anywhere inside your home, a doorbell with a light so it's easily seen at night. Features 4 different volume levels. Req. 3 "AAA" batteries (sold separately). Hooks on back for hanging. Plastic. Receiver 3 1/2"L x 1"W x 3 1/4"H. Bell 1 1/2"L x 1"W x 3"H.