The innovative interactive 8133WISS features an ultra short throw design, LASER light source, and integrates Dukanes powerful software to deliver a complete interactive experience on any flat surface. With a rich feature set that meets the specific interactive needs of K-12, higher education, and corporate users, the 8133WISS is both easy to install and easy to calibrate. It provides vibrant image quality with cost-effective operation and produces large images in small spaces. New generation interactive features include interactive pen, multiple pen capability, auto-calibration, PC-less drawing, and multi-display interactive. Additionally, a suite of advanced features normally found only on the higher end models includes High Dynamic Contrast Range (HDCR), 2 HDMI ports, and Dukanes original technology Accentualizer that allows the projected image to appear more real by enhancing sharpness, gloss and shade. As with all Dukane projectors, you can expect vibrant image quality, cost-efficient operation, and long-lasting reliability. Plus, the new laser phosphor light source offers approximately 20,000 hours (normal mode) of operation time and is virtually maintenance free, there is no lamp to replace providing a dramatic reduction in total cost of ownership. For added peace of mind, Dukanes 8133WISS is also backed by a generous 5 year warranty and our world-class service and support programs.