Easy use: Just add 130ml of water with three-five drops of your favourite essential oil. Humidifier & Diffuser: Get a Colour-changing LED humidifier & diffuser. Product dimensions: 10cm x 10cm x 9.5cm. Colour: Wood effect design that comes in either brown or beige. LED lights: Uses colour changing LED lights that'll create a chilled atmosphere. Diffusing: Great for diffusing your favourite essential oils and making your air cleaner. Colour-Changing Led Humidifier & Diffuser | Brown | Living Social