Automatically neutralizes tough odors in the air from odor-causing bacteria to keep rooms smelling fresh and clean. FreshMatic® unit offers three time settings: 9-,18-,or 36-minute intervals. Press the X-PRESS™ Boost Button to deliver an immediate spray for an extra boost of freshness. Runs on two AA batteries. Wall mountable. Refillable. 6.3w x 3.39d x 8.62h. Starter kit includes FreshMatic® unit, one 6.17oz can of Fresh Scent fragrance spray and two AA batteries.