The Lua essential oil aromatherapy diffuser with light is our best selling diffuser because of its sleek compact size and multi-function features. This diffuser will fit easily into any space in your home. It offers a gentle humidifying action (no more mould growth from over condensation), with up to 8 hours before the tank runs out. The changing light function runs through the 7 different colours associated with each chakra, you can also set it to an individual colour. Makes a great nightlight for your child’s bedroom. This light function is separate so you can choose if you want the diffuser with or without the changing lights.