FeaturesOperates via a power outletDiffuses a fine, aromatic mist without heat, chemicals, or a pumpRequires only tap waterDisperses the benefits of essential oilsDiffusion time of approximately 4 to 6 hoursHumidifying capabilityAutomatic shut-offMultiple lighting color optionsCreates a warm, cozy ambiance Instructions for use  Fill the diffuser with water up to the fill 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.