Ionfall is especially good for:   + Office workers in the "stale" indoor   + Students who have to study for many hours   + Patients suffering from allergy, asthma, and nasitis.   + Children and the old who have weak immune system.   Cleansing functions for the environment   + Absorbs and removes cigarette smoke and dust.   + Removes various odors such as cigarette or fungus smell.   + Restricts and sterilizes various harmful germs.         + Generates high density of negative ions that remove      odors, providing a clean and fresh environment.   + Enhances concentration and prevents fatigue and      drowsiness.   + Neutralizes carbon monoxide /      Removes cigarette smell /reduces bacteria & viruses.   + Generates high energy negative ion      - strong effectiveness       Working Voltage : 12VDC±10%   Adaptor : 90V～234VAC   Weight : About 35g   Power consumption : Max. 1.2W   Ion concentration : 1,000,000 ions/cc   (measuring distance : 60cm)   Ozone concentration: Less than 0.002ppm   (measuring distance : 5cm)