This Ultrasonic Air Humidifier can provide moisture for dry coughs, sinus irritation, dry skin and relief for cough, cold and flu symptoms. The whisper quiet Ultrasonic Air Humidifier operates on low power consumption. Ideal for office room. You run your air conditioner in the summer, your heater in the winter, and all year your house becomes dry and uncomfortable. This Best Humidifier with quiet operation and large amount humidity output change your room's air quality. With this Ultrasonic Air Humidifier, you can add moisture to your room help your breathing easy and relief some of the harmful effects from the dry air.