Shinken Zemi Benesse UVL110-0520 This is a genuine AC power adapter specifically for the Challenge Pad. [No outer box] Although there are no noticeable stains, please refrain from purchasing if you are concerned, as it has been stored at home. Please confirm the compatible models by checking the website or contacting the manufacturer before purchasing. Due to the thickness, it will be shipped without the outer box and with simple packaging. Thank you very much. (^^)