2pcs-Power Saver, Smart Power Saving Device Balance The Current Source Stabilizes The Voltage Electricity Energy Save Box for Household or Office Appliances

【Perfect energy-saving device】Provide stable voltage and current, increase the power of electrical appliances, avoid the waste of electricity invalid, and extend the service life of electrical products., 【Safe and reliable】When the power-saving device is working under rated load, it will release the stored electricity through the capacitor system to normal in a more stable manner without spikes., 【Save electricity bills】we can see a big difference in electricity bill when we use power-saving boxs with air conditioning, washing machines, refrigerators, water pump, induction cooker, electric kettle, etc., 【Easy to Use】You just plug the electricity energy saver into a power socket and the green indicator light will be bright, then starts to work by keeping the device connected; it will reduce your power consumption., The outer shell is made of advanced fire-proof, explosion-proof and leak-proof materials, and the internal leakage protection measures are safe. There are no electricity saving benefits for some appliances, such as electric fan, LED bulbs, etc