The unit introduces healthy negative Ions to purify the air while providing a restful sleep. Unit has a large capacity water tank (6L/1.6 gallon). Its high moisture output can quickly humidify a room up to 40 m² (430 ft²). Advanced technology can produce soothing cool mist. It saves 85-90% of electricity costs compared to a normal steam humidifier. Consumes less power than a 40 watt light bulb. Its permanent, easy-to-clean ceramic nano-silver filter for control of white dust, mould and bacteria. Best solution for those dry days of the year, hassle free operations with large tank. Incorporating the cutting edge negative ion technology for a healthier indoor environment.