Oregon Scientific WS908 Compact Air Sanitizer for Cars / Desktops was introduced to remove harmful substances in the air and reduce odors and airborne bacteria inside the vehicle or in a small area. It is a portable air sanitizing device powered by the car’s adaptor and USB ports. Simply plug the Compact Air Sanitizer in your car when you are driving and connect it to a USB port at work to bring along fresher air with you all day long. It is an excellent air sanitizing device specially designed for modern executives who are always on the go. If you are a regular passenger, the Compact Air Sanitizer makes a nice present for your driving partner.