Features: 1.Automatic Energy Saving: Power saver automatically helps you save daily energy waste, save money, and be safe and reliable. Gr 2.Surge Protection: Voltage regulation, balance current, surge protection, to achieve the effect of power saving, effectively prevent overheating of electrical appliances, and prolong the service life of electrical equipment. 3.Comprehensive Protection: The power saver's internal leakage protection measures ensure complete protection for you and your equipment. And improve the power of electrical appliances to avoid waste of ineffective electricity. 4.Indicator Light: Plug the power saver into an AC outlet, and the color of the indicator light will turn green, then start working by keeping the device connected. 5.Scope of Application: Energy saver can be used in homes, shops, restaurants, offices, small factories, etc., suitable for air conditioners, washing machines, refrigerators, electric fans, TVs, water pumps, stereos, etc. specification:Item Type: Smart Electric Box Energy Saver Material: ABS Model: SD 001 Plug Voltage: AC 90-250V Rated Frequency: 50-60Hz Effective Load: 30000W PackageList:4 x Smart Electric Box Energy Saver 4 xUser Manual