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Carlon Add-On Chime for Wireless Doorbell System with Volume Switch is to be used with Carlon Wireless Doorbell System with Volume Switch. It lets you hear your existing Carlon chime in remote areas of your home, such as a basement or another floor and plugs into any 120V electrical outlet.

Carlon Wireless Doorbell System with Volume Switch is ideal for new installations or replacing existing door chimes. It plugs into any 120V electrical outlet. Features convenient sound-select on front of button and 32 selectable codes block interference from outside signals. Perfect for use in homes, apartments, mobile homes or RVs.