Electric supply has flactuations from time to time, which result in damage or parasitic peak that cannot be used by your home devices while working.Monarch Energy Saver does not consume electricity itself and helps in increasing the power factor PF it acctually corrects the PF which is required.
Monarch Energy Saver protects against power flactuations and increases the capacity of the electrical panel by making it run cooler. All this less wastage of electricity and money.