This is an IONITRON-728 negative ion generator manufactured by Koyo Electronics Industries Co., Ltd. (PHILCO). It appears to be approved as a medical device. External dimensions: Width 315 x Height 180 x Depth 185mm Weight: 3.5kg Everything in the images is included. Stored at home after being purchased at auction. Power and operation have been confirmed. The lamp (ultraviolet sterilizing lamp) inside has been confirmed to light up. A weak breeze is emitted. It is likely functioning, but the effectiveness is unknown ^^; There are some minor scratches, but no noticeable major scratches or stains. This is a used item, so please check the images carefully. No claims or returns are accepted. Please refrain from purchasing if you are sensitive to imperfections or are looking for a perfect item. Please note that this item cannot be combined with other items for shipping due to its packaging size.