About this item Refreshing Air: Just add water and water -soluble aromatic and plug in, keep the car smelling fresh and also get some aroma therapy Ultrasonic Vibration: Ultrasonic vibration brings fog flow. Let you relax and decompress after a tired day. Adjust the dry air in your home or office to work efficiently during the day and have a good night's sleeping at night Seven Color Light: The mini humidifier is built in 7 colors light, while you can long press the button.Simple button controls make it easy to cycle through light effects, creates a brilliant light show for your viewing entertainment and pleasure Intelligent Auto Off: It automatically turns off when the water is below the low-water line to prevent potential security issue Perfet For On The Go Use: Not only use in Car,but also use in home.Just you plug humidifier into Socket