Metal enclosure with solar technology:Car Fragrance Diffuser made of aluminum alloy and beach wood with solar fan blade robust and easy to install.Package includes: 1x solar aromatherapy diffuser for car ,1x essential oil, 1x fragrant tablets. Improve Air Quality: Also as an aromatherapy, improves air quality and keeps the air fresh,feel like in nature. Giving you a good mood everyday. Long-lasting Fragrance: The fragrance of the scent is even and lasting, bringing you a comfortable driving experience.Usually the aroma can about 1 months,optimal use time months.After one month, the smell will gradually weaken.Put it into the solar air diffuser correctly, the aroma will automatically come out. Available to pregnant women and babies. Innovative Patented Design:The interesting solar fan blades rotate automatically under the sunshine to accelerate the diffusion of the aroma. It is suitable for a variety of occasions. No matter it use inside the car,under the windshield window or at home. It will much interesting If there are multiple diffuser blades rotating together under the sunshine. Also perfect for Bathroom, Bedroom, Conservatory, Dining Room, Hallway, Home Office/Study, Kitchen, Living Room, Utility/Laundry Room. (Note Each color corresponds to a scent of perfume ). Specification: Material: Aluminum Alloy , Beech Wooden Size: 10.4x8CM/4.09x3.15 inch Package Includes: 1 Piece Solar Car Aromatherapy Diffuser 1 Piece Essential Oil 1 Piece Fragrant Tablets