This item was purchased new and used by an adult. It has been tested and confirmed to work on a Super Famicom prior to listing. It has been stored in a dark place after use. Please rest assured that it was used and stored in a pet-free and smoke-free environment(^^) Initial operation has been confirmed. It will be cleaned with a retro game revival agent before shipping. Please check the images and comments for the condition. Please refrain from purchasing if you are overly concerned about the condition m(_ _)m There is no history of battery replacement or disassembly. Returns are not accepted if the item does not work due to differences in operating environments. Please understand this before purchasing. Please be sure to check the photos as this is a long-term storage item. Instant purchase is welcome(^^)