Oils Diffuser Wooden Glass UltrasonicFeature: Highest quality natural materials such as sustainable plantation hardwood and hand blown glass Rreleases pure essential oil Effective to a large area (in ideal conditions over 800 sq ft), diffuses micro particles of less than 5 microns for easy uptake by the human body. Whisper quiet and equipped with attractive LED mood lighting. Specially programmed usage cycle (5 mins on then 3 min off, for 2 hours then shuts off). It is not only a