Air Humidifier, Dual Holes with Humidity Display, 2L Cool Mist Humidifier with Night Light, Up to 20 Hours, Automatic Shutoff, Suitable for Home, Baby Room, Office Features: 1. Efficient Humidification: Our bedroom humidifier has 2 nozzles for dual mist spray. It sprays nano-scale water particles directly to the bottom of the skin, moisturizes dry skin, relieves dry eyes and fatigue, and prevents static electricity. Before first use, please take out the cotton ball and immerse it completely in water. It is recommended that it be replaced every 2-3 months. .