This is a bundle of seven Ushio halogen lamps with a wattage of 600W and a voltage of 120V. These lamps are designed for use in slide and movie projection, making them ideal for photographers and filmmakers. The brand Ushio is known for its high-quality products, and these lamps are no exception. Whether you are looking to replace old bulbs or stock up for future use, this bundle is a great investment. This product falls under the categories of Cameras & Photo, Film Photography, and Projector Bulbs & Lamps.