Infuse the scent and essence of your favorite essential oils into your home with the functionality and style of a Simply Essentials Cool Mist Diffuser. Simply add water and a few drops of oil to the diffuser reservoir and turn it on. The diffuser will mist for up to 6 hours and will automatically shut off when the tank runs out of water. The color changing LED lights enhance the beauty of the diffuser or you can leave the lights off and just enjoy the cool mist. Simply Essential Diffusers are the perfect way to upgrade your space and easily choose a different essential oil that's perfect for every day! For use with Simply Essentials Essential Oils or ScentSationals 100% Pure Essential Oils.