This luxurious diffuser is great for aromatherapy as well as enhancing your home décor. Ultrasonic transducer vibrates at a steady and high frequency that makes the molecules of water and the essential oils so tiny that it is easily absorbed by the body. This creates the negative ions that moisturizes the air and your skin allowing you to enjoy the aromatherapy effectively. Use 3 to 5 drops of your favorite essential oil (sold separately) 7 color-changing LED lights Up to 7 hours of steady mist Portable, quiet 2 mist settings Auto shutoff at low water level 10 oz. water capacity