The CP-TW2505 is an innovative interactive Projector that features an ultra short throw design and integrates Hitachi’s 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 CP-TW2505 is both easy to install and easy to calibrate. New generation interactive features include interactive pen, multiple pen capability, auto-calibration, PC-less drawing, and multi-display interactive. If you purchase the optional Finger Touch Module (FT01), the CP-TW2505 supports interactive with finger touch. Additionally, a suite of advanced features normally found only on the higher end models includes High Dynamic Contrast Range (HDCR), 2 HDMI ports, and Hitachi’s original technology Accentualizer that allows the projected image to appear more real by enhancing sharpness. As with all Hitachi projectors, you can expect vibrant image quality, and long-lasting reliability