The HP digital projector sb21 is designed for the business professional who needs to project a high-quality image with ease. This quiet, lightweight projector ensures worry-free professional presentations with HP reliability, compatibility, and versatility. Lighter than a laptop - at just over two pounds and 8 x 5.5 x 2 inches in size, the HP digital projector sb21 is designed for the mobile professional; it lets you present a high quality image in a compact design that won't weigh you down.You don't give up brightness - this microportable projector that fits into a purse or briefcase also projects a bright, sharp clear image with 1,000 comparable lumens, true SVGA resolution, and an outstanding contrast ratio of 1800:1. The 1,000 comparable lumens, true SVGA resolution, and high contrast ratio of the HP digital projector sb21 mean you project a bright, sharp, clear image-for high-quality presentations in any setting.