15KW home electricity saving box with US,UK,EURO plug high quaity ... device, which is more effective, stable and safe. Electricity Saving Box help the end user to stabilize the working voltage, ... wave of current, thus protect the appliance.l Electricity-Controlled capacitance is used to balance current, which ... of a year, without ceasing. 15KW home electricity saving box with US,UK,EURO plug