The Metravi Pro 7 is a first of its kind multimeter with backlit ranges and range selection switch, which makes operations in dark environments easy with the backlit display, backlit switch as well as the backlit ranges clearly visible. Measures AC/DC Voltage, AC/DC Current, Resistance, Capacitance, Frequency, Temperature, Duty Cycle, Diode and Continuity Test. Can measure AC Voltage of VFD (Variable Frequency Drive). Features Non-contact Voltage Detection, Live Line Test, Square Wave Output, Data Hold, MAX/MIN record functions. Auto Power Off. Heavy-duty, rugged design with double-injection moulding. Built-in Flashlight to access dark areas. Confirms to CATIII 600V.