GT50 Professional-Grade Portable Advanced Air Purification System by GreenTech Environmental Convenient Plug-In Small Area Purifier, Compact & Portable / Great for Travelers to Use in Hotel Room Adjustable Purification via Easy to Reach & Operate Knob Electrical: 100V-240V - Operational Anywhere in the World / Low Energy Consumption / Whisper Quiet Operation Eliminates Smoke & Odors - Doesn't Cover Them Up / Significantly Reduces Mold, Bacteria, & Viruses Ideal for:Small Office / Cubicle Lockers, Closets, Cabinets, Under Sinks Pet Areas, Laundry & Bathroom Areas Garbage Areas, Changing Rooms & More