NATURAL WOOD GRAIN: 550ml essential oil diffuser gives a touch of zen style to fit your office or home. It is a unique ideal for homes, bedrooms, offices, yoga studios, spas, gyms, etc. Large capacity and long working time: This diffuser has a large capacity of 550ml and can work 12 hours in low fog mode. Particularly suitable for people with colds and rhinitis. Humidify the air and relieve your stress to give you a high quality sleep. 7 color changing LED lights: 7 colors rotating / One fixed color on / Turns off. Each color is adjustable between light and dark, which creates a romantic atmosphere. Waterless auto shut-off: After the water runs out, it will automatically shut off to protect the device. Perfect for a gift: perfect for bedroom, office, study, living room, bathroom, yoga, SPA, conference room, baby room, etc. Can be used as an aromatherapy diffuser/humidifier/air purifier/night light. Also perfect for gifts.