3-MELODIES: features three mechanical melodies to choose from - Ding or Ding-Dong or Westminster

BATTERY-OPERATED BUTTON: the wireless push button requires 1x 12-Volt A23 Battery (included)

ADJUSTABLE VOLUME: the volume of the doorbell tunes can be adjusted to best suit your needs

100-FT TRANSMISSION RANGE: this device has a transmission range up to 100' - great for larger homes or work settings - when you want to hear the doorbell ring from a distance

PLUG-IN CHIME: this kit includes one wireless chime that can plug into any standard wall socket - quick and easy installation!

PLASTIC CONSTRUCTION: a plastic casing paired with a classic color will add a modern touch to your house