CH5201-BK Features: -Door chime.-Designer Series.-Two notes on front door and single note on second door.-Horizontal and vertical hanging positions.-Extra loud two note chime. Color/Finish: -Elegantly hand-carved features with matte black finish. Specifications: -Requires push button, chime wire and 16 volt transformer in order to operate. Dimensions: -Overall dimensions: 8.5'' H x 7.25'' W x 2.25'' D.
16 Volt Transformer