This is a BOSS ST-2 Power Stack. Based on the serial number, it appears to be a Taiwanese-made unit from November 2010. It has scratches and paint剥がれ (peeling paint), showing signs of use, but it functions without any problems. It has been stored in a smoke-free and pet-free environment. Please check the condition in the photos. No accessories are included. This is a listing for the main unit only. *Batteries are not included. Please refrain from purchasing if you do not understand that this is a used item, inspected by a non-professional, and stored by a non-professional, or if you are overly concerned about the condition. Also, we do not accept returns for any reason after purchase, so please read the description carefully and consider your purchase thoroughly.