1Multi-function power meter measurement for three-phase voltage, current, active power, reactive power, power factor, grid frequency, active energy and reactive energy. 2Good accuracy, strong stability, four buttons design, enables the instrument to achieve convenient and flexible use. 3LCD digital display with high brightness presents three-phase current or voltage value stimutaneously. 4Premium ABS housing, superior flame retardant properties, easy wiring. 5Suitable for complete monitoring and management on the electrical parameters of various incoming loops and large-capacity distribution output loops.