CVS Health Portable Ultrasonic Humidifier Provides soothing cool mist to a room Space-saving design is ideal for offices, hotels, or bedrooms Can help to reduce dust and impurities from the air Easy to clean and refill Portable and lightweight Red light indicates low water level Breathing comfort air should not be a luxury but an everyday essential. This is easy to accomplish in any room with the CVS Health™ Portable Ultrasonic Humidifier. Serving to deliver soothing cool mist to every room it is in, the CVS Health™ Portable Ultrasonic Humidifier can also help to reduce dust and impurities in the air. The space-saving design makes this portable and lightweight humidifier an easy way to improve the air in any room, from offices and hotels to bedrooms. Easy to clean and refill, the CVS Health™ Portable Ultrasonic Humidifier features a power indicator; turn blue to red light to indicate low water levels and can be switched off and on at the push of a button. This indoor air humidifier essential is safe to use -- making a better breathing environment easily achievable.