The NuTone LA223WG Plug-In Door Chime is a to install and requires no wiring. This plug-in door chime is for unlikely locations or clattery environments. These ensures you 'll never miss a visitor. This item a manufacturer 's small 1-year warranty. Broan-NuTone has been the industry since 1932 in producing forward-looking ventilation products and inbuilt convenience products, all backed by high-performance customer service. Today, they 're in Hartford, Wisconsin, employing more than 3200 people in eight countries. They 've North America 's largest producer of medicine cabinets, ironing centers, door chimes, and they 're the industry leader for range hoods, bath and ventilation fans, and heater/fan/light combination units. They are 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 to providing group action products to improve the indoor environment of your home, in ways that also help preserve the outside environment. : 3.5 L x 1.25 W x 4.38 H in. . standard colourless finished. into any 120-volt AC outlet. Wireless range from 20 to 125 ft.. with PB82WH, PB85BR, PB85SN telecommunication push buttons. Manufacturer 's small 1-year.