Save Energy and MoneyStopwatt energy saving device can help youll use less unwanted electricity, and it even prolongs the lifespan of your electrical devices. Stop Watt Working PrinciplesThe stop watt Saving Box is to stabilize the voltage, balance the current, and surge protection in order to achieve power-saving effect. Safe and ReliableThe power saver device itself have almost no consumption of energy.Even 24 hours 365 days, all-weather running will not increase the burden of electricity bills.and stabilize the current according to the power consumption of the electrical appliances, so as to achieve a power saving effect. Easy to UseThe power saver plug is very easy to use, just plug the power saver into wall socket, no need special attention or maintenance.avoid invalid waste of electricity. Its safe, reliable, and super easy to install. The Range of ApplicationStop Watt Energy Saver is suitable for air-conditioners, refrigerators, washing machines, electric fans, televisions, lamps, sound box, fluorescent and other products.Suitable for houses, condominiums, apartments, shop lots, restaurants, hotel, offices, small factories.