Aera Plug in clean fragrance and essential oil diffuser system for small rooms up to 400 sq ft, only used for a couple of weeks. -Create schedules and control with your phone using the app -Adjustable settings 1-10 for medium to large-sized rooms -Hypoallergenic scent technology, safe for your family & pets -No-fade, long-lasting fragrance -Fragrance not included Aera's Microdroplet Technology dispenses home fragrance and aromatherapy essential oils as ultra-tiny scent molecules. Unlike a fine mist, it fills a space with clean, hypoallergenic aroma. Does not come with a scent capsule. I have three available, please see other listings to combine shipping. Questions? Leave a comment below!