Airocide - NASA Air Purifier for allergies, asthma and chemical sensitive individuals with Odor control Eliminates mold, fungi, dust, viruses, bacteria and VOC's - all major allergy triggers Remove common household odors Technology developed by NASA and FDA approved No filters to change or blades to wipe off, ever Zero ozone emissions The APS-200 unit operates at 120 volts, 60 Hz. The APS-200 is built for use in North America, and will not work outside of North America. Works on 120V Warranty Void Outside the United States