This luxury Unicorn lustre aroma diffuser gently changes colours to create a tranquil and soothing atmosphere. The colours fade from purple to blue to red to green or if preferred they can stay on your favourite colour by simply pressing the light button. Mist stream can also be adjusted from continuous to 10 mins, 1 hour or 2 hour settings. Enjoy all the wellness benefits of your favourite natural essential oils while transforming the mood of your home.