Air Wick Freshmatic Ultra Metered Spray Starter Kit includes wall mountable spray unit, one 6.17 oz. can of Fresh Water fragrance, and two AA batteries. Battery-powered timer switch automatically releases scent in user-selectable 9, 18, or 36 minute intervals. Fragrance lasts 60 days on the 36-minute setting. Ultra Metered Spray provides a light, subtle freshness to an entire room. Fresh Water fragrance offers the freshness of a cool, sparkling stream mixed with the light scent of a summer evening breeze.