Purifies and sanitizes the air and surfaces inside your refrigerator, allowing a healthier, fresher environment for your fresh fruits and vegetables. Using ionization and ozone technology, pureAir Fridge destroys bacteria such as E-coli and Staphylococcus and neutralizes pesticides. Produce stays fresher longer because it reduces ethylene gas from decaying food. Foul food odours are eliminated and your fridge will smell fresh every time you open the door. Rechargeable lithion ion Battery – comes with a usb charger cable.