The Febreze Plug Scent Booster Downy Calm Starter Kit is a 2020 electric-powered air freshener holder designed for use in the living room. With a volume of 2 fl oz, this pack includes 2 scented oil bottles from the Febreze Origins product line. The product is manufactured by Febreze in the United States and does not require batteries. It is recommended to keep this air freshener out of reach of children and away from eyes.