ZAQ Lumin Litemist Aromatherapy Essential Oil LED Desk Lamp Diffuser Humidifier, 300 ml Desktop design and multi­setting light meet all your reading, studying, working and productivity needs LiteMist aromatherapy system silently mists essential oils into your space As a mid­sized (7.1”x5.9”x17.1”) and desktop diffuser, it’s perfect for desk and table tops in your office, living room or bedroom. Energy efficient, this 300ml capacity machine runs for up to 8 hours (20 hours in low mist mode) before needing to be refilled ­ and the auto shut off ensures safe operating, even if you forget it’s on (because it’s so quiet) ZAQ Lumin is BPA free and made of safe, health­friendly materials