The Mainstays 300mL Iridescent Jewel Cool Mist Ultrasonic Diffuser is the perfect addition to any room in the house. This diffuser makes any space smell great when combined with your favorite essential oils or fragrance oils. With automatic shut off when the water level runs low 4 mist stages 5 light settings and AC wall adapter; this diffuser will make a great addition to your home or a great gift for the special people in your life.