Aromatic diffuser Designed with electric central air system for hotels, hospitals, office buildings and commercial centers, it works efficiently and meets our customers' maximum needs. Device features: An aroma diffuser characterized by a wide coverage of up to 2000 to 2800 cubic metres It can be controlled by mobile app An aromatherapy diffuser that works with the latest technology based on nanotechnology, which helps to concentrate essential oil Device contents: Multi-period timer Inner bottle of 900 ml Fans for rapid fragrance diffusion A gift of a 220 ml essential oil bottle of your choice Information about the device: It is prohibited to add water to the essential oil