HEH1204 Features: * Door chime kit * Wireless battery operated doorbell system with bell-shaped design * Three musical holiday tunes * Up to 75 feet transmission range * Adjustable volume control Includes: * Includes a battery operated receiver and a battery operated push button (push button battery included) Dimensions: * Overall dimensions: 5.75" H x 4" W x 2" D Warranty: * Manufacturer provides 1 year warranty