Fragrance mist. Transforms natural essential oils into mist (New air wick). 1 Refill lasts up to 45 days (Based on lowest intensity setting). Essential mist contains natural essential oils that are automatically transformed into a fine mist. For device features, please see bottom panel. Device Features: A) To change start time - push slider to off, then on at desired time setting. B) Low, med, or high settings control fragrance level. People suffering from perfume hypersensitivity should be cautious when using this product. www.airwick.us/www.airwick.ca. Questions? 1-800-228-4722 (U.S.) 1-800-888-0192 (Canada). For more ingredient information visit www.airwick.us/www.airwick.ca. Made in Hungary.