The mystical/fantasy essential oil diffuser combines a fine mist with mesmerizing lighting to create a stunning, realistic mystical/fantasy effect. Not only does it provide excellent humidification, but it also delivers therapeutic aromatherapy to help you relax and unwind after a long day. Long-Lasting 220ml Capacity: Designed for convenience, the large 220ml water tank allows for continuous operation between 9 and 10 hours. This generous capacity means fewer refills and uninterrupted aromatherapy sessions throughout your day or night.