Multi-functional clamp meter: has functions of voltage, current, resistance, capacitance, frequency, diode, line on-off, live line voltage identification, Safety level: CAT II 600V, level II pollution, double insulation protection and overload across the range Its protection complies with the overvoltage standard. Intelligent AC/DC current measurement: automatic and manual modes for electric current measurement. Data hold function: convenient for observing or recording data.