Style Selections Weatherproof Extend-a-chime (Works with Your Existing Wired Door Chime) Extend a chime lets you hear your existing wired door chime in remote areas of your home or yard Use indoors in workshops, laundry rooms, basements, or bedrooms Use outdoors near pools, porches, decks, and garages Up to 150ft operating range 32 selectable codes block interference from outside signals