2/4PCS Power Saver Energy Saver Household Electricity Saving Box with US Plug 90V-250V Energy Saving Device for Electricity Home

High-concerned chemical : None Backlight/Indication : Yes Socket Type : Socket 220V Installation Type : Wall Mounted Extension Cable Length : None Shape : Rectangular Model Number : /4PCS Power Saver Energy Saver Grounding : Non-Grounding Application : Residential / General-Purpose Number of slots : 1 Origin : Mainland China Certification : CE