[Overheat Protection Automatic Power-off]-Our electric saving box adopts advanced fire-proof and explosion-proof material,and the internal leakage protection measures make it safe and reliable.And when the continuous working temperature is too high,the power supply will be cut off automatically and can be recovered after cooling. [Easy To Use]-Only need to plug this power saver electricity saving device save electricity into a power socket and the green indicator light will be bright,then starts to work by keeping the electricty saving box connected.Long term use,it will reduce your power consumption. [Almost No Extra Consumption]-The power saver energy 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.How well it works depends a lot on how efficient the power grid in your neighborhood is,and how well your home was electrically engineered. [Save Energy and Money]-The operating principle of the power saver energy saver for home is via stabilizing the voltage,balance the current and surge protection in order to achieve power-saving effect.The power energy saver can also improve the use efficiency of electrical appliances power,reduce circuit line loss,avoid the waste of electricity invalid,thus extend the service life of the household electric appliances. [About Use Effect]-Please note that only when many household appliances with large power consumption are used in the home,can we see the power saving effect of this kind of energy-saving appliances,such as frequent use of air conditioners,washing machines,refrigerators,water pumps,induction cookers,etc.But when only using some small household appliances,such as electric fans,LED bulbs and so on,you will not see obvious effects.