Clamp allows measurement of AC and DC current in wires without disturbing the circuits or contacting live terminals ; Auto range simplifies operation: 0.01–400 Amps, ; 0.001-600 Volts ; Auto power-off selection – power turns off automatically after 10 minutes of non-use ; True RMS required for accurate measurement of inverter output ; Large digital display makes reading measurements easy ; Data hold-press “HOLD” button during measurement to lock reading value ; Additional functions include resistance/continuity and overload display; Test leads and soft case included with meter