Intelligent Auto ONOFF Smart car air freshener features intelligent chip and vibration sensor,it will automatically start or stop work with the car, you dont have to manually turn onoff it everytime you get on or off the car. Very convenient and safe to use while driving. When you dont use the car air freshener, it will automatically stop working, saving a lot of essential oils and ensuring longer lifespan. 4 Adjustable Modes Car air freshener diffuser has 4 adjustable working modes. Light fragrance mode spray every 10 minutes for 1 second. Medium fragrance mode spray every five minutes for 1 second. Strong fragrance mode spray every 30 seconds for 1 second. Continuous fragrance mode Shut down after 30 minutes of continuous spray. You can choose the working mode according to your needs, perfect for various scenarios, such as home, office, car. Starry Light Projector Colorful Atmosphere Light This car diffuser air freshener features a starry light projector and 7 color atmosphere lights, which can project a romantic starry sky and provide a unique visual experience with the colorful atmosphere light. Making it your exclusive atmosphere master and very suitable for car and bedroom parties. Portable Rechargeable Drift car air freshener features a compact size and can fit well in your car cup holders. Builtin super endurance lithium battery, it can support 30 days working time after fully charged. And it comes with the fast charging typec cable, you can easily charge it and take it anywhere you want to enjoy the fragrance. Upgraded Nano Mist Technology Smart car air freshener adopts the latest nanoatomization technology, which can spray fine perfume directly into the air and distribute it evenly, it will scent your environment in minutes and bring high quality fragrance throughout your car or room. Lifetime Customer Service Our car air freshener is made of high quality aluminum alloy material, it is durable for long time use. And comes with 50ml perfume, you will enjoy a high quality fragrance. If there is any problem of the product of if you have any question, please feel free to contact us, we will give you reply within 24 hours.