It's always better to be safe and extra cautious than not at all. This device produces ozone, a powerful deodorizer that destroys pollutants to give you cleaner air to breathe. Proven and tested, this ozone generator effectively eliminates 99% of bacteria and other impurities for a safe environment. It has a built-in rechargeable 600mA battery so you can take it with you anywhere. Clean the air in your car, office, bedroom, and other spaces.