The Thorn EMI Halogen Lamp set of 2 is a high-quality product designed for use in slide and movie projection. With a voltage of 12V and a power of 100W, these lamps provide bright and clear illumination for optimal viewing experience. Compatible with various brands, these new in box lamps ensure durability and long-lasting performance for your projector needs. Perfect for film photography enthusiasts looking to enhance their slide and movie projection setup.