HEH1054 Features: * Wireless additional plug-in door chime receiver * Material: Plastic * Has up to a 100 feet transmission range * 8-note Westminster melody or a 2-note melody Color/Finish: * Color: Off-White Assembly Instructions: * No assembly required Dimensions: * Dimensions: 5.13"" H x 3.5"" W x 1.38"" D Warranty: * 1 Year manufacturer"s warranty