Also for sale elsewhere, so please be sure to send a "purchase request" message before buying. We kindly ask that you refrain from purchasing before receiving a reply from us. SUNPAK auto 25SR - Working, in beautiful condition, tested. I believe this item is about 30 years old. I purchased it new myself and have stored it with little use. Requires 4 AA batteries to flash. Tested for power and operation before listing. There are no major noticeable stains or scratches.