The beautifully designed faux wood, Mist ultrasonic aromatherapy diffuser offers a sophisticated way to fill your space with the scents you love. The Mist diffuser runs up to 13-hour continuously or up to 26-hour intermittently.It also has 7 LED lights. Simply add water and the essential oil of your choice, turn it on, and let the cool mist relax and recharge you. Automatic safety shut-off. 400 ml water capacity. 5.9"H x 6.3"W x 6.3"D.