3D Firework Humidifier Aroma Diffuser Colourful LED Night Light Decoration GiftKey Features...Environmental friendly material, nontoxic, odour-free, corrosion resistant and durable.Promote humidity of your room with out any harming radiation, giving your skin a tender care.Can put 2-3 drop essential oils in the water to make your room fragrant and sweet.Automatic detection of water, automatic powe..