Homasy 800ml Ultrasonic Cool Mist Humidifier, One Touch Button Control, Auto Shut Off Function for Office Home Bedroom Yoga Spa (Green) Large 800 ml Water Tank. Filling you space with fresh air and lovely fragrance Ultrasonic Technology. Whisper-quiet design will not interfere with your work or sleep. One Touch Button Control. Easy to control the mist and night light with one touch button. Unique Design. Combine the function of essential oil diffuser and humidifier into one. Elegant Design. With stylish round design, it is a great idea for a nursery, office, spa, yoga bedroom, baby room, air-conditioned room etc.