This lamp light bulb is a high-quality product with a brand of WILO and a model of DER. It is designed for use in slide projectors and has a power rating of 120V and 500W. This light bulb is ideal for professionals in the film photography industry who need reliable and high-quality lighting for their slides and movies. The item belongs to the categories of Slide Projectors, Slide & Movie Projection, Film Photography, and Cameras & Photo. With its exceptional performance, it is the perfect choice for anyone looking for a projector lamp that is both durable and efficient. This lamp light bulb is a must-have accessory for anyone who values quality and reliability.