The battery box is corroded and power cannot be supplied. Please consider this item as junk, assuming it requires maintenance. ※ Please note that this is a used item, and I do not possess the specialized knowledge of a camera shop, so there may be oversights. Please assume that anything not mentioned has not been confirmed. We cannot provide support or warranty for any changes in condition or malfunctions after receipt. Please only purchase if you understand and accept this. Returns are not accepted for used items.