HEH1056 Features: * Wireless battery operated door chime kit * Material: Plastic * Provides modern styling with a white decorative linear designed cover * With up to 150 feet transmission range between the chime receiver and push button * 8-note Westminster melody or 2-note melody for the front entrance * With adjustable volume control to suit varying sound needs Includes: * Includes a battery operated receiver and one battery operated push button * Push button battery included Assembly Instructions: * No assembly required Dimensions: * Dimensions: 5.5"" H x 10"" W x 2.25"" D Warranty: * 1 Year manufacturer"s warranty