The NuTone LA223WG Plug-In Door Chime is a snap to install and requires no wiring. This plug-in door chime is ideal for remote locations or noisy environments. These chime ensures youll never miss a visitor. This item includes a manufacturers limited 1-year warranty. Broan-NuTone has been leading the industry since 1932 in producing innovative ventilation products and built-in convenience products, all backed by superior customer service. Today, theyre headquartered in Hartford, Wisconsin, employing more than 3200 people in eight countries. Theyve become North Americas largest producer of medicine cabinets, ironing centers, door chimes, and theyre the industry leader for range hoods, bath and ventilation fans, and heater/fan/light combination units. They are proud that more than 80 percent of their products sold in the United States are designed and manufactured in the U.S., with U.S. and imported parts. Broan-NuTone is dedicated to providing revolutionary products to improve the indoor environment of your home, in ways that also help preserve the outdoor environment. Dimensions: 3.5L x 1.25W x 4.38H in.. Classic white finished plastic. Plugs into any 120-volt AC outlet. Wireless range varies from 20 to 125 ft.. Compatible with PB82WH, PB85BR, PB85SN wireless push buttons. Manufacturers limited 1-year warranty.