The Fountain Essential Oil Wall-Plug Diffuser is a new way to get the benefits of essential oils without the need to add water. Serene House's Wall-Plug Diffusers have two modes so you can customize your fragrance experience. 7-paper pads and 3-unscented wicks are included to make changing scents simple. The metal prongs of the plug rotate 270 degrees to guarantee they fit every outlet. The LED light can be used for ambiance or as a night light.