The 380976-K is an AC Power Clamp and test lead kit that measures 1- and 3-phase true power (kW), apparent power (kVA), and reactive power (kVAR), plus horsepower (HP), power factor, and phase angle with lead/lag indicator, high resistance tests to 100MOhms, type K, switchable, temperature to 1000 degree Fahrenheit, diode and continuity tests and auto power off with disable feature. Clamp meter has a 1.6 in. (40mm) jaw opening. In addition, this kit includes 2 CAT IV 72 in. test leads, 2 modular test probe handles, 2 plunger activated jaw clips, and 2 extra-large alligator clips. Complete with test lead kit, Type K probe, carrying case and 9 Volt battery.