Freshness and Clean This automatic scent dispenser keeps rooms smelling great It uses 2 AA batteries.Use with any standard commercial air freshener cans (aerosols Cans Not Included Set and Forget This Sprayer has 2 time scent / mists release settings Easily set the dispenser to sprays every 7.5, 15 Minutes and clear Not difficult or confusing programming required Wall Mount or Freestanding A Versatile automatic sprays dispenser for use in any room Can be mounted to the wall or used as a table top or shelf stand alone air freshener dispenser Automatic Air Fresheners for the value conscious person who has more than room / restroom that needs to smell freshness and clean Boosting Button Sometimes you need a little extra help to deal with certain odors This sprayer has a boosting button on the side that you can push to release an extra sprays of freshness whenever needed