Circuit Breaker Finder - This Branch Circuit Breaker Locator works without interrupting the flow of power.Circuit Breaker Finder features include: Quickly and easily identifies individual branch circuits at the panel box without interrupting power Find circuit breaker for each outlet by plugging transmitter into wall outlet and then moving receiver over circuit breakers using visual and audible indicators to determine correct breaker Compact Receiver unit features adjustable sensitivity for precise location of breaker Visual and Audible Indicators Order Qty of 1 = 1 Piece Below is more info on our Circuit Breaker Finder