This is a DaInichi hybrid humidifier. It was manufactured in 2007 and was in use until around March 2025. Operation has been confirmed. There is yellowing on the bottom of the tray (photos 10 and 11). The cover of the on/off switch is warped (photo 12), but there is no functional problem. The main unit and water tank have scratches from use, but there are no cracks or damage. The outer box has some tears and stains. The antibacterial vaporization filter and antibacterial/deodorizing sheet are new and unopened (photo 7). The instruction manual is here. Please check it. https://www.dainichi-net.co.jp/uploads/manual/humidifier/hd-3003.pdf Please consider this item, understanding that it is a used product. Thank you for viewing.