I don't have any pets. I don't smoke. These are used, but I haven't used them much. They are a set of 4 SwitchBot Curtains in relatively good condition. Model: SwitchBot Curtain (USB Type-C charging model) Color: White Quantity: Set of 4 (compatible with double-opening curtains) Operation has been confirmed, and there are no functional issues. [Contents] SwitchBot Curtain Body x 4 *Everything in the photos is included. Regarding accessories: Charging cables x 4, some of the installation tools are missing, instruction manual included.