Oils: Upgrade to add six or 12 10ml plant scented oils including lemon, sandalwood, rose, lavender, lily and jasmine. Purpose: Designed to keep your living space moisturised, preventing dry air. LED lights: Features colour changing lights which create a calming atmosphere in your home. Colours: Choose between light brown and dark brown. Auto-shut off: Boasts a 130ml capacity and can be used for up to five hours at a time - device will switch off when it runs out of water. Humidifier: Get an ultra-quiet portable diffuser. | Aroma Essential Oil Electric Humidifier | Wowcher