The DW759USTi ultra short-throw interactive projector delivers a large 88” to 110” diagonal image from a distance of ~11” to 17” (to the front of the projector). The projector delivers a high bright 3,500 ANSI Lumens and an outstanding contrast ratio of 10,000:1 plus offers a low cost of operation with lamp life up to 10,000 hours. The DW759USTi offers full IWB functionality with IR pen support and 10-point finger touch interactivity with the optional finger touch DT02 Laser Curtain in an intuitive way with minimal set-up and on-going maintenance. Enhanced interactivity is assured with NovoScreenNote interactive software for MAC and PC. Very quiet operation. Full 3D support.