This vintage Sylvania Marc 300 GE Colorarc Bulb is brand new in its original box. It is a compatible lamp bulb for movie projectors and has a voltage of 37.5. The power of the bulb ranges from 300 to 399W, making it ideal for high-quality projection. This item is made in the United States and is not a custom bundle. The bulb is perfect for film photography and slide & movie projection. It is suitable for use with cameras and photo equipment. This item is a great addition to any collection and is sure to provide excellent performance.