Beautifully designed diffuser; Continuous mist that lasts up to 8hours; Automatic shut-off feature. Refresh any room; Pour water to fill line inside of diffuser basin; Just add a couple sprays or drops of essential oils. Setting for LED light can be used in changing color mode or can be set to one color (8 color options in which to choose); Plug-in to any standard electrical unit. Diffuser cover is made of a classic frosted glass; Water and oil basin made of thick plastic casing.