Le comptoir Aroma Tulum Ultrasonic Mist Diffuser for Essential Oils The Tulum mist diffuser has been designed with eco-responsible materials such as ceramic and recycled bamboo! This mist diffuser is perfect for adding ambiance to any room. Its elegant shape makes it a decorative object as well as a functional object. What is a mist diffuser? This diffuser uses water to disperse the few drops of essential oils that you add to it. How does it work? An ultrasonic disc transforms the water-oil mixture into a cold steam which creates a pleasant aromatic mist that is naturally scented. Grey cracked ceramic cover and white forms engravement Water tank capacity: 100 mL Diffusion duration: 6 hours continuous mist mode 7 multicolored lights or selection of one color Diffusion coverage up to 300 sq. ft Dimensions: diameter 3.6 x height 7.9 inches