Colour White Capacity 220 Millilitres Operation mode Automatically Runtime 8 hours Waterless Auto-Off -- Intelligent LED indicator, when the water is used up, the water tank will automatically shut down when the water tank is raised, so that the air around you is even and safe. Cooling Mist -- Safely moisturize the air for up to 8 hours of continuous operation, allowing you to breathe easily and get more rest and sleep. Ultrasonic Quiet Operation -- Silence operation below 20dB allows you to sleep easily in a comfortable and quiet environment. Large Capacity & Large Spray -- The liquid water is atomized into micron-sized water particles by ultrasonic vibration. The large volume of 220ml and the fine spray are used to increase the air humidity. It is a good companion for air-conditioned rooms. Great for Your Family -- The humidifier can humidify your living space to prevent dry, stuffy air and flu/cold germs infecting your loved ones. Prevent dry and chapped skin in dry winter months.