Enjoy a fresh and pleasant ride with this Smart Car Air Fresheners Diffuser. It automatically opens together with the start of the car, releasing a soothing fragrance. It can also be disassembled for easy cleaning and refilling. You have a variety of scents for you to choose from, all made of natural ingredients to ensure safe use. and breathe better in your car. Specification: Product name: Smart Car Air Freshener Product Material: Glass Product weight: about 323g Product size: about 6 * 6 * 12.5CM (2.36 * 2.36 * 4.92 inches) USB data cable power supply, replenishing liquid 120ML 5-speed adjustable [Fragrant, light, and strong] Gear: bright blue light, spray once for 1 minute, spray once for 1 second. Gear: the green light is on, spray once for 3 minutes, spray once for 2 seconds. Gear: the red light is on, spray once every 5 minutes, spray once for 2 seconds. Gear: yellow light, spray once for 5 minutes, spray once for 5 seconds. Gear: white orange light, spray once every 10 minutes, spray once for 5 seconds. Note: , , and gears are suitable for use in small space environments such as cars , Suitable for environments with large spaces such as offices, bedrooms, and living rooms. Product use: Fresh air, fragrance dispersing. Product features: Fresh air. Installation method: unscrew the cover, pull out the seal cover of perfume, insert the fragrance releasing conduit, screw back the cover, and insert the data cable to open the fragrance releasing conduit. Packing List: Smart Car Air Freshener * 1+Data cable * 1 or Replenishment solution * 1 Note: Due to different lighting and screen settings, item colors may vary slightly from the pictures. Due to the difference in manual measurement, please allow a 1-2cm difference in size.