The car air freshener has three adjustable functions, it can be intelligently auto-started and shut down, and it can also intelligently adjust the scent:By detecting the condition of the air conditioner in the car, with the ambient light, it automatically adjusts the duration of the scent, and there are three modes, which can be freely adjusted. This car air freshener is beautifully designed and can be used not only as a car fragrance diffuser, but also as a car decoration. It can be used indoors in the car or in any occasion at home, such as bathroom, bedroom, pet house and so on. Made of aluminum alloy, our car air freshener is durable and long-lasting. 220mAh battery for 60 minutes quick charging and 45 days battery life. The car air freshener with projector light, also has three spray modes, light mode: green interval 300 seconds spray 0.2 seconds, medium mode: blue interval 90 seconds spray 0.2 seconds, strong mode: purple interval 10 seconds spray 0.2 seconds Easily removes all kinds of odors and leaves you refreshed. Our waterless car diffuser is completely mess free, you don't need to clean it often, perfect for car, bedroom, living room, office etc. Description: Introducing our smart car air freshener, a sleek and durable aluminum alloy device designed to keep your car and home smelling refreshing for up to 45 days on a single charge. With a 220mAh battery that only requires 60 minutes of charging, this air freshener is not only convenient but also environmentally friendly. Its versatile design allows it to be used in various settings, including cars, bathrooms, bedrooms, and pet houses. Equipped with three adjustable functions, this smart air freshener can intelligently start and shut down automatically, as well as adjust the fragrance based on the air conditioner's condition and ambient light. It offers three modes - green, blue, and purple - allowing you to customize the intensity and duration of the fragrance release. In addition to its air freshening capabilities, this device also features a projector light with three spray modes. The waterless diffuser ensures a mess-free experience, making it perfect for use in cars, bedrooms, living rooms, offices, and more. Say goodbye to unwanted odors and enjoy a refreshing atmosphere wherever you go with our smart car air freshener. Item Name: Car Air Freshener Material: Aluminum Alloy, Plastic Battery Capacity: 220mAh(Included) Essential Oil Content: 10ml Features: 3 Modes Adjustable, Long Lasting Fragrance, Universal Size Details: L: 4.1cm/1.61", W: 6.3cm/2.48" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. You can add any essential oil you like, clean the bottle before adding. If the concentration of essential oil is too high, dilute it first. Package Includes: 1 x Car Air Freshener 1 x USB Cable 1 x Essential Oil