The SYLVANIA DCA-150W 21.5V Blue Top projector lamp bulb is a high-quality, long-lasting light source designed for slide and movie projection. With a universal compatibility, this lamp bulb can be used with a variety of projectors. Its 150W power output and 21.5V voltage ensure bright and clear images, making it ideal for home theaters or professional presentations. With a lifespan of 10 hours, this projector lamp bulb from SYLVANIA provides reliable and consistent performance for all your projection needs.