Features Safe and reliable: When the power-saving device is working under rated load, it will release the stored electricity through the capacitors system to normal in a more stable manners without spikes. Material: 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: 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. Save electricity bills: Extend the life of electrical devices and we can see a big difference in electricity bill when we use power-saving boxs with airs conditioning, washing machines, refrigerators, water pump, induction cooker, electric kettle, etc. Perfect energy-saving device: The power saver 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. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Useful Load: 28KW Rated Voltage: 90-250V Rated Frequency: 50HZ-60HZ Package List: 1X Professional Power Saver