Casio XJ-UT311WNBKT Ultra Short Throw No LampsThe New XJ UT311WNBKT is ideal for medium to large classrooms. Casios lamp and mercury free Ultra Short Throw projector can be mounted close to the wall and create large, powerful presentations even in smaller rooms. The main benefit of Ultra Short Throw projection is that it virtually eliminates shadowing on the screen allowing for more creative and engaging presentations. The XJ UT311WN offers a brightness of 3,100 ANSI lumens more than enough for