Serial conversion adapter (Model: USB-RSAQ6) from I/O DATA. Items for sale: * Main unit * USB connection cable, approximately 2m I have downloaded the driver and confirmed that it works correctly on my PC (Windows 10). There are no noticeable scratches or stains, but there are some minor scuff marks. Instruction manual and outer box are not included. I will carefully clean and package the item with消毒用アルコール (disinfecting alcohol). Shipping will be via Nekopos (Yamato Transport). It will be delivered to your mailbox. The main unit will be wrapped in bubble wrap and placed in an envelope, and protected with a plastic bag as a rain対策 (rain protection). Please consider purchasing if you are interested! Please also see my profile.