The General Electric PR-1 Photography Film Exposure Meter is a vintage analog light meter designed for photography enthusiasts. Made by GE in the United States, this handheld meter from the PR series provides accurate exposure calculations for film photography. The compact design and included case make it convenient for on-the-go use, ensuring proper exposure settings for capturing the perfect shot. This classic tool is a must-have for photographers looking to achieve optimal results with their film photography equipment. Appears to work as the needle jumps when the button is pressed.