This is a bigger capacity essential oil diffuser humidifiers, one time refill 300mL water, it will keep working in more than 10 hours through a whole night or during one working day. <br><br><b>THE HUMIDIFIERS HELPS YOU:</b> Humidifier effective make the air fresh around you, like the air plants on desk or air purifier, new ultrasonic tech. will spray water and essential oils into extremely micro water-drop, plenty of waterdrop absorb dust and other pregnant items in air, also release much oxygen anion helps for better breath, very helpful for baby nursery and pregnant. More humidity helps for suffer from dry cough, dry chapped skin, allergies sinus, sleep problems. <br><br><b>BENEFITS OF AROMATHERAPY:</b> Enjoy personal aromatherapy spa in your own space! Add several drops of your favorite essential oils into water, such as lavender, this air diffuser make instant fragrance in your room, good perfume scent helps with stress, anxiety, relaxation, sleep, headaches and more, also cover the smell of pets or smoking. Really a thoughtful, ideal and unique gifts for mother father friends on christmas birthday, everyone can benefit from. <br><br><b>NEW ULTRASONIC:</b> ADVANCED new ultrasonic diffusing technology produces vibrations at a frequency of 2.4 millions times per second breaks water and essential oils into extremely fine micro-particles, which take better effect for humidification and aromatherapy, no need heat. <br><br><b>Specification: </b><br>CAPACITY: 300mL ; WORK MODE: Timer 1/3/6hrs, up to 10hrs continuous ; POWER: USA adapter ; AUTO SHUT-OFF: Yes ; MATERIAL: PP, BPA-Free ; LED LIGHTS: 7 colors ; NOISE: Very weak ; SIZE: 5.5*5.5 inch(140*140mm), 1 pound ; WATTAGE: 12W ; PACKAGE INCLUDE: 1*oil diffuser, 1*adapter, 1*user manual. <br><b>Switch Button: </b> <br>"MIST": 1 hours timer - 3 hours timer - 6 hours timer - continuous working - off. <br>"LIGHT": colorful cycle light - fixed color(bright) - fixed color(weak) - long press for off.