Feature: 1. Automatic Energy Saving: Power saver automatically helps you save daily energy waste, save money, and be safe and reliable. Gr 2. Surge : Voltage regulation, balance current, surge , to achieve the effect of power saving, effectively prevent overheating of electrical appliances, and prolong the service life of electrical equipment. 3. Comprehensive : The power saver's internal leakage measures ensure complete 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. How to Use: Plug and Play 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 Package List: 4 x Smart Electric Box Energy Saver 4 x User ManualSERVICE GUARANTEE: We have a professional customer service team. Please contact customer service in time if you have any questions, we will solve them as soon as possible. Hope you have a good shopping experience. Please allow a slight error due to manual measurement. SCOPE OF APPLICATION: This electricity saving device 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. WITH 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. AVOID WASTE OF INEFFECTIVE ELECTRICITY: The intelligent energy saver's internal leakage measures ensure complete for you and your equipment. And improve the power of electrical appliances to avoid waste of ineffective electricity. AUTOMATIC ENERGY SAVING: This power saver automatically helps you save daily energy waste, save money, and be safe and reliable. Voltage regulation, balance current, surge , to achieve the effect of power saving, effectively prevent overheating of electrical appliances, and prolong the service life of electrical equipment.