... quality LCD Intelligent energy monitoring technical parametersvoltage imput, AC 100V,200V,380Voverload, 1.2 times rated value( ... less than 0.1VA(per phase)current imput, AC 1A,5A.overload, 1.2 times rated value( ... , less than 0.1VA(per phase)auxiliary power, AC/DC 80-270Vpower consumption less than 5VAexternal form & ... ,the third row LED display separately represent P,Q,COS,it's unit is W,Var.indicator K ...