4-Piece Klein Tools Homeowner Tester Kit is the ideal kit to test all your in-home electrical testing needs, featuring GFCI and Non-Contact Voltage Testers. Premium Electrical Test Kit includes a Manual-Ranging Digital Multimeter (Cat. No. MM320) with right-angle test leads, Dual Range Non-Contact Voltage Tester with Flashlight, 12 to 1000 VAC (Cat. No. NCVT3P), and a GFCI Receptacle Tester with LCD (Cat. No. RT250). Circuit Breaker Finder with Integrated GFCI Outlet Tester is a digital circuit breaker finder used to locate the correct circuit breaker in a panel to which an electrical outlet or fixture is connected.