Limited Edition 1 diffuser + 1 refill + 3 AA batteries. 0.67 fl. oz. (20 ml). Transforms natural essential oils into mist (Air wick essential mist contains natural essential oils that are automatically transformed into a fine mist). 1 refill lasts up to 45 days (based on lowest intensity setting). Free refill. Free refill. Nothing but the ingredients you need. Great Fragrance: Contains natural essential oils. Free from: Phthalates, acetone. What's Inside and What it does: C 13-14 isoperaffin, c 11-13 isoparaffin, PPG-2 methyl ether. Carry the fragrance. Device Features: A. To change start time - push slider to off, then of at desired time setting. B. Low, med, or high settings control fragrance level. This device complies with part 15 and part 18 of the FCC rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. For additional FCC information, please visit the Air Wick website www.airwick.com. www.airwick.com.