Our Tranquillity Ultrasonic Plug In Diffuser offers an easy and beautiful way to get the most out of the therapeutic elements of essential oils. With colour-changing LED mood lighting, misting of up to 5 hours and a water capacity of 150ml, simply add a few drops of your favourite essential oil, switch on and kick back to enjoy the relaxed ambience. The Tranquillity diffuser is designed to complement your home interior with its sleek, minimal aesthetic and wood effect, so you can purify your home.