The Germ Guardian™ Plug-In effectively kills germs and odors in the home. The plug-in uses hospital-proven UV-C light technology to kill 99% of germs in the air. It kills germs that cause: colds and flu viruses, strep throat, staph infections and more. Plug it in next to the diaper pail, in the kitchen and bathroom and it will also destroy mold spores, allergens and unwanted odors from pets, cooking and smoke.