This high-quality lamp bulb, manufactured by Wiko, is perfect for your projector or slide and movie projection needs. With a voltage of 4v and power of .75A, it is compatible with a wide range of brands and types.Ideal for use in film photography or any cameras and photo settings, this BRS sound reproducer lamp projection light bulb will provide you with clear and bright visuals. Whether you are creating a presentation or enjoying your favorite films, this lamp bulb is an excellent choice for your needs.