Product Description Stress Relief and Alertness Essential oils are great for relaxing the brain and relieving stress. Mint, lemon and other substances are added to our aromatherapy essential oil, which can relax the tense nerves after smelling it, stay awake during the tired driving, and improve driving safety. Solar Rotation There is a solar device on the top of this car essential oil diffuser, which can rotate freely under sunlight without batteries, full of technology, and through the internal rotation, the fragrance can quickly fill the car. It uses sunlight to obtain energy without replacing batteries repeatedly, and is more friendly to the environment and energy. (Note: if there is no sunlight, it will only emit aroma, not spin!) Best Gift Choice This car air freshener perfume is full of technology, not only has the function of solar automatic rotation, the shell is made of metal, the frosted surface makes it look more beautiful, it is an interesting car accessories, the best choice for car friends to give gifts,such as birthday, anniversary, Father's Day, Valentine's Day, Thanksgiving, Christmas and all other holidays! Packageinclude:1x Car Air Fresheners Note: 1. Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. 2. Please allow 1-3cm error due to manual measurement. (1 inch = 2.54 cm) Thanks for your support :)