400A, AC Auto Ranging Clamp Meter, Automatically Ranging True Mean Squared Technology For Increased Accuracy, Clamp Measure AC Current, Test Leads Measure AC/DC Voltage, Resistance, Continuity, Frequency, Capacitance & Diodes, Thermocouple Probe Measures Temperature, Built To Withstand A 3.3' Drop, Low Battery Indicator & Easily Accessible Battery Compartment, CAT III 600V Class 2 Double Insulation Safety Rating, Includes Carrying Pouch, Test Leads, Thermocouple With Adapter & Batteries, Meets Requirements For Use In Basic & Controlled Electromagnetic Environments Like Residential, Office & Light Industrial Locations, Operating Altitude: 6,562', Operating Temperature 32 Degrees Fahrenheit To 122 Degrees Fahrenheit, Cat III 600V Class 2 Double Insulation Safety Rating.