Power Saver with Household 2024 New Energy Saving Device High Efficiency Household Power Saver Energy Saver Electricity Saving Box US Plug 90V-250V 30KWSpecifications:Rated voltage: 90V-250VRated frequency: 50HZ-60HZUseful load: 30KWAdapter plug: USNotes:1. When using plug it into any socket no need for maintenance no need to pay attention.2. After using dont take off often. Avoid influencing the result of saving electricity.3. Dont let the kids touch it. Assure their safety