MUJI Large Ultrasonic Aroma Diffuser The large aroma diffuser uses ultrasonic waves to vaporise water and the essential oil in the tank to produce a cool, dry, fragrant mist. It has a larger tank capacity and can diffuse a fragrance in a room three times the size of the original aroma diffuser. The white cylinder also houses a lamp that shines with an ambient glow and has 2 light settings. It's flame free and safe for use around children and pets. Size: Dia 16.8 x 12.1 cm Weight (not including AC adapter): About 520g Duration: About 3 hours Built-in Timer: 4 sets available: 30 / 60 / 120 / 180mins Water Tank Capacity: Approximate 350ml Mist Amount in 1 hour: About 90 - 100ml LED Lights: 12 Adjustable Brightness: 2-stage Power Consumption: About 32W / hour Suitable to be placed at the following places: Larger areas such as in an office or in the living room. Can be used as an aroma diffuser or as an indirect source for lighting. Main Materials: Water tank, outer cover, inner cover bottom, measuring cup: polypropylene Accessories: AC adapter, measuring cup, user’s manual *This item is under 1-year warranty from date of order ID completion.