Fusion Metered Aerosol Dispenser is compatible with both Fusion 3000 and 9000 refills (none included). Three interval settings and time-of-day options ensure the right amount of fragrance for different spaces. Wall-mountable design keeps it out the way. White finish fits all decor. All mounting options (screws, wall anchors and double-sided tape) are included. Dispenser requires two AA batteries (not included).