Make almost any wall—or even a tabletop—interactive. This high-performance projector and interactive pens integrate into one machine without the constraints or expense of an interactive whiteboard. Annotate from any source without the use of a computer. Plus, with dual pen support, two users can write simultaneously, making it easier than ever to actively engage your students in the curriculum. And, setup is easy with auto calibration and no PC driver to install. Ultra-short-throw projection means you can project large, interactive, WXGA images up to 100" without shadow interference. Brightness: 3,100 lm; Technology: 3LCD; Zoom: 1.35X.