Maintaining the ideal humidity level in your home provides a number of health benefits including alleviating dry skin, cold, flu, and allergy symptoms, easing asthma, and much more. This Air Humidifier from Beurer features ultrasound humidification technology to ensure an optimum relative air humidity, while running quietly and energy-efficiently. It's also suitable for aroma oils for room fragrancing. The water tank is simple to remove and refill when necessary. The convenient switch-off feature will turn off the unit automatically.