Carlon RC3270 Extend-A-Ring Musical Door Chime, WhiteHighlights: Measures 6 3 4" x 4 1 4" x 2 3 4" Wireless Plug in Color: White Adjustable volume control Operating range: up to 150 ft Receiver Chime plugs into a wall socket Plugs into standard phone outlet Transmits signal to chime receiver when phone rings to play phone sound Flashing lamp control will cause light to flash when plugged into chime Unit can be set to flash with lamp On or Off at the receiver 3" speaker provides excellent sound 32