The Sylvania projector lamp bulb with a blue top is a high-quality 1000W bulb designed for use in various projector models. With a voltage range of 120-125V, this lamp bulb is compatible with universal projector brands and is sure to provide bright and clear projection for your slide or movie presentations. This new old stock item ensures a reliable and durable performance, making it a great choice for professionals in the field of film photography and projection.