Interactivity Wherever You Go With this Portable Short-throw Projector.The high-performance BrightLink 436Wi network-ready, short-throw projector and interactive pen integrate interactive functions into one machine without the constraints or expense of an interactive whiteboard. Share content from many sources (iPads2, tablets, smartphones, document cameras and more), then annotate directly on projected images - no PC required3. Two users can write simultaneously with dual pen support. Mount BrightLink 436Wi on a wall or set it on a table or desk. This portable projector can be taken from room to room. Setup is easy with auto calibration and no PC driver to install. The projector features HDMI connectivity, a built-in 16 W speaker and microphone jack. Get brilliant image quality and interactivity with the BrightLink 436Wi, from the #1 selling projector company.