Klein Tools ET310 Circuit Breaker Finder with GFCI Tester – 90-120V AC

Quickly locate circuit breakers with this AC breaker finder and integrated GFCI outlet tester. Includes transmitter and receiver with visual/audible indicators for safe, accurate diagnostics.

Key Features:
• Accurately identifies the correct breaker in a panel
• Two-part tool: Transmitter plugs into outlets, Receiver scans breakers
• GFCI tester built into the transmitter to check outlet wiring and safety
• Clear audible and visual indicators when the correct breaker is found
• Compact docking design keeps both pieces stored as one unit
• Works on standard 90–120V AC circuits
• Three-pin plug fits grounded North American outlets

Ideal For:
Electricians, DIYers, and homeowners needing safe, precise circuit identification and GFCI outlet testing.