... safer and easier operation. It adopts LCD, with low power dissipationand long life.Features:record and display the electricity ... current voltageV, currentA, frequencyHz,current power consumptionW, highest power consumptionHi W, lowest power consumptionLo W, total K.M. ... the total running timeeasy and conformable to useLow power consumptionOVERLOAD Function Technical parameter:Working voltage:AC90~250V ...