Features Operates via a power plugDiffuses a fine aromatic mist, without heat, chemicals, or a pumpRequires only tap waterReleases the benefits of essential oilsDiffusion time is approximately 4 hours continuously or 8 hours intermittently, depending on humidity levels and other external factorsHumidifying capacityAutomatic shut-off7 different light colorsCreates 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.