According to the manufacturer, the Esaver Watt Electricity Saver device works by stabilizing voltage fluctuations and reducing energy waste caused by reactive power. It achieves this by utilizing advanced circuitry that optimizes the electrical waveform, filters harmonics, and suppresses power surges. By creating a more balanced and efficient electrical environment, the device is said to decrease power consumption and extend the lifespan of electrical appliances. Visit Esaver Watt Electricity Saver official website, know all details & order in the USA.