Product Details: Portable steam device for treating cough, asthma and respiratory disorders in children and adults. It is light in weight which makes it easy to carry and use anywhere. It is characterized by high quality and high efficiency in the operation process. It features steam temperature ≤41℃. It works with ultrasonic technology, which makes it able to generate smooth, moisture-rich steam. It is ideal for use by both children and adults because it works in a quieter voice compared to other devices. It can be used when sleeping without causing any disturbance to the person using it. It works by cable for indoor use and by AA battery for outdoor use. Made of high quality materials.