The 3M X31 Digital Projector features brightness and a 2000:1 contrast ratio for sensational image quality. Made by the 3M brand which is famous for its excellent performance and reliability, the X31 has network functionality which lets you manage the assets effectively to decrease the cost of ownership and avoid unnecessary maintenance. The attached hybrid filter operates it for up to 4000 hours under normal conditions. This projector is easy to carry with only 3.6kg in weight. It can be started quickly and can be instantly switched off without wasting time. The X31 is ideal for education and business organizations who are looking to minimize the running costs over the lifetime of the projector.