100 Plastic [High Quality Material] The exterior of the car diffuser air freshener is made of highquality aluminum alloy, which is durable and longlasting. The perfume of frosted bottle is made of natural plant extracts, safe and non irritating, and can be used with confidence. [Three Adjustable Modes] The smart car diffuser offers three adjustable fragrance modes to meet different needs. Green light for fresh fragrance mode sprays for 0.2 seconds every 300 seconds; blue light for light fragrance mode sprays for 0.2 seconds every 90 seconds; purple light for strong fragrance mode sprays for 0.2 seconds every 10 seconds. [UltraQuiet Operation] The smart air freshener car adopts ultrasonic atomization technology to operate with minimal noise, providing you with a comfortable driving environment. Advanced diffusion technology allows you to enjoy a longlasting aromatic experience. [Smart Sensing Auto OnOff] Smart car air freshener diffuser features a builtin microsensor chip that quickly senses the cars start and stop, enabling automatic on and off without manual operation. This saves energy and extends the products lifespan. [Easy to Install] The car oil diffuser is equipped with a universal air clamp that can be easily connected to the air conditioning outlet. Simply screw the frosted bottle into the diffuser and select the desired mode. Make every driving experience comfortable. [Long Lasting Battery] Our intelligent car diffuser is equipped with a builtin 220mAh lithium battery, which can last for 45 days after 60 minutes of charging, making it perfect for longdistance travel and daily use. This can also be a perfect gift.