Triplett Breaker Sniff-It 9650 Breaker Tracer and Identifier is designed to locate circuit breakers quickly and easily. Simply plug the main unit into the outlet, and use the remote unit in the breaker box to identify which outlet is using that breaker. The Triplett Sniff-It 9650 features an advanced microprocessor to reduce false readings, audible and visual indicators, lifetime limited warranty, and more.