Floor Vent Covers 4 x 10 inch, Adjustable Air Vent Deflectors for Home Floor,Sidewall,Office or Ceiling Black Floor Register

Does it include wireless functionality?：No Does it include a Battery?：No High-concerned chemical：None Shape：Rectangular Material：Plastic Origin：Mainland China

Does it include wireless functionality?: No Does it include a Battery?: No High-concerned chemical: None Shape: Rectangular Material: Plastic Origin: Mainland China