Everything you need to freshen an entire room. Compact design lends itself for use in small spaces and on surfaces where the larger units are not suitable. Time-released fragrance provides up to 30 days of continuous air fragrance with three timed settings; 7-1/2, 15 and 30 minute intervals. Timer-switch is batter-powered. Featuring an express button to provide immediate release of fragrance as needed. Scent: Fresh Waters®; Physical Form: Liquid; Application: Odor Control.