Projects crisp, shadow free images up to a 100" diagonal screen. It is designed to create a very close throw ratio (0:28:1) lens enabling an 80" image from just 1.5 feet away. The lens produces 3100 lumens of brightness output with a WXGA resolution ideal for both school settings and HD content display. Another great feature is Casio’s free mobile application which allows educators to inte- grate mobile technology with Casio’s Lamp- Free® Ultra Short Throw into the classroom.