This automatic spray with clever odor detect technology identifies thousands of odors & adjusts fragrance automatically by providing a burst of freshener. The gadget is smart enough to prevent excessive dispensing. Lasts up to 60 days for a continuous fresh smell. Use in office buildings, industrial facilities, restrooms, hotels / motels, health care facilities & nursing homes. Comes with two AA batteries. Scent: Lavender / Chamomile; Physical Form: Liquid; Application: Automatic Odor Control; Capacity (Volume): 6.17 oz.