4 Pack Power Saver Electricity Saving Box Household Energy Saver Power Saving and High Efficiency US Plug 90V-250V
- Perfect Power Saving Device: According to customers' usage habits and feedback, 4-pack of power-saving boxes can provide ideal power-saving effect for a family. They can keep voltage and current stable, avoid wasting electrical energy, and extend the life of electrical appliances..
- Safe and Reliable: The outer shell is made of advanced fire-proof, explosion-proof and leak-proof materials, and the internal leakage protection measures are safe. reliable..
- Easy to Use: Just plug the power saver into a power outlet, the green light will turn on, then keep the device connected to start working. It doesn't reduce power consumption immediately, it's a longer process and it will make a noticeable difference after 2-3 months..
- Long Term Use: We recommend to keep using it for a long time so as to observe the power saving effect. It hardly consumes electricity, but it can bring obvious power regulation effect, so please rest assured..