This is a "power adapter". Part Number: WB-18L12FU Compatible Models: External HDD Buffalo Output: 12V 1.5A Operation confirmed. (Please check the images carefully to avoid any mistakes) Please purchase. This is a used (recycled) item, so there are inevitably fine scratches that cannot be removed. We will clean it again as much as possible before shipping. Original box and accessories are not included. Everything in the images is included. It will be shipped in simple packaging. We do not offer discounts or respond to comments. Thank you for your understanding. Thank you. Disinfected and cleaned.