The MILWAUKEE Circuit Breaker Finder with LED is used for identifying the correct circuit in an electrical panel in residential and commercial applications. Comprised of a transmitter and receiver that can be used for standard 120-volt panels with a safety rating of CAT II 135-volt. This all-in-one solution stores the transmitter into the receiver to allow for easier storage and transport on a jobsite. With the LED work light, you can easily work in dark areas with more visibility, and the over molded grip provides durability and comfort for all applications.