Goldessense Aromas Aromatherapy Essential Oil Diffuser Includes two 5ml bottles of 100% essential oils, Lavender, and Eucalyptus. Holds up to 120ml (4.2oz) of water and covers 200-300 square feet of space. Quiet, and gentle ultrasonic operation with color changing mood LED lights. 3-5 hours of continuous use and interval timer. Also has auto shit off feature for safe operation.