Features: Intelligent car air freshener features essential oil and customizable DIYer perfume blending, delivering a long lasting up to 30 days per refill with intelligent auto on/off functionality. This aviation grade aluminum device ensures rapid fragrances dispersion while securely attaching to any car vent via antislip clips. Designed for discerning drivers and professional seeking refined ambiances, it elevates commutes with sophisticated cologne inspired note of citrus, lavender, and cedarwood. Ideal for daily commutes, or business travel, this vehicle freshener maintains consistent scent distribution without obstructing airflows or requiring manual adjustments. Its streamlined metal design combines with practicality, offering scratch resistant durability and easy operation for uninterruptedly focusd during drives. Specifications: Component:Metal Size:Approx.41x63x29mm/1.61x2.48x1.14inch 220MA battery Package Includes: 1 Set Car Air Freshener note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.