NEC''s PA521U is a 5200-lumen widescreen advanced professional installation model that appeases corporate and higher education users. With integrated RJ45, optional high-speed wireless (LAN IEEE 80.11b/g/n) and a multitude of simple-to-use asset management technologies, the PA521U helps users present seamlessly without worrying about their technology. Enjoy design and installation flexibility with a complete line of optional bayonet style lenses, tilt-free and portrait installation capabilities along with horizontal/vertical lens shift. TileMatrix enables 4Kx2K resolution utilizing 4 projectors via external distribution amplifierMulti-display support with Picture by Picture/Picture Out PictureHigh performance video processing/scaling creates life-like imagesIntegrated software applications such as DisplayNote(R), Crestron Roomview, AMX Beacon and PJ link allow for complete interactivity and control5200-lumen brightness enhances images for most applications