Refresh and relax in fragrant air and favorite color of lighting with TaoTronics Essential Oil Diffuser. It features 300 ml capacity water tank which works continuously for 8 hours and provides a whole night of cool misting. This essential oil diffuser has timer that you can set for 4 different times frame. It also offers mood lighting mode with 7 colors of LED lights in soft, cool, and warm hues that you can adjust to match your mood and surroundings. TaoTronics Essential Oil Diffuser is very safe; it shuts off automatically when the water runs out. Cool things for your room, get a great peaceful nights’ sleep.