The product is a Polaroid Prontor #191 locking shutter release cable manufactured in West Germany. It is compatible with universal brands and is specifically designed for vintage cameras and photography equipment. The item comes in its original box, showcasing its authenticity and historical significance as a vintage Polaroid accessory. The Prontor #191 model is known for its high-quality construction and precise shutter release mechanism, making it a sought-after item among collectors and photography enthusiasts.