This is the "Ozobarrier Lite" low-concentration ozone generator. It uses the power of ozone to break down particulate matter such as viruses, bacteria, pollen, PM2.5, and unpleasant odors. * This is a used item. * Power-on only has been confirmed. * Please refrain from purchasing if you are sensitive to used items. * This item was received as a gift, so the purchase date is unknown. * Please refer to the images if you are concerned about scratches or stains. * Everything in the photos is included. 【Product Condition】 * The item is stored at home. * It is stored by a private individual. * Please understand that this is a home-stored item before purchasing. 【Free Shipping】 * The product price includes shipping. Thank you for viewing.