Features Operates via a power outletDiffuses a fine aromatic mist without heat, chemicals, or a pumpRequires only tap waterReleases the benefits of essential oilsDiffusion time of approximately 4 to 6 hours7 different lighting colors Humidifying capabilityAutomatic shut-offMultiple light color optionsCreates a warm, inviting ambiance Instructions for use  Fill the diffuser with water up to the line and add 3 to 8 drops of your favorite Naturiste essential oil. Press the diffuser button to turn it on and enjoy the benefits of aromatherapy at your fingertips.