... as well as adding up the time. Working frequency, current power, alongwith the highest and the lowest power in a ... and display the electricity Costcheck and display the current voltageV, currentA, frequencyHz,current power consumptionW, highest power consumptionHi W, lowest ... AC90~250V/50~60HzPower:0.2~3120WVoltage range:90~250VCurrent range:0~13.00AFrequency range:0~99HzThe electricity display:0.001~ ...