The ultra convenient NuTone LA542WH Wireless Doorbell is here to help make your life easier. This portable chime goes with you, so you ll never miss a visitor. It s contemporary design features an adjustable volume control and two wireless pushbuttons. Its soft, non obtrusive design can hang or stand on a flat surface. It s available in a range of sound options. This item includes a manufacturer s 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, they re headquartered in Hartford, Wisconsin, employing more than 3200 people in eight countries. They ve become 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 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: 4.25L x 1.75W x 5.8H in.. Classic white finished plastic. Features adjustable volume control. Wireless range varies from 20 to 300 ft.. Compatible with PB82WH, PB85BR, PB85SN wireless push buttons. Manufacturer s limited 1 year warranty.