This means the product was tested and repaired as required to meet the standards of the refurbisher, which may or may not be the original manufacturer. Any exceptions to the condition of the item outside the manufacturer’s information should be provided in the listing, up to and including warranty details.
The TP-Link HS200-TP lets you control anything. A standard light switch controls all from your phone. Turn your lights, ceiling fans, and other fixtures off and on no matter where you are.