Batteries not included. N/A Febreze Set & Refresh Eliminates Odors While Slowly Releasing Scented Oils For 30 Days Convenient And Simple To UseNo Plugs, No Batteries, No Mess Lasts Noticeably Longer Than Cones Do Perfect For Smaller Spaces Such As Bathrooms, Closets, And Mudrooms Eliminates Tough Odors So TheyRe Gone For Good Available In A Variety Of Scents