. Get closer than ever to the big picture with the Dell S500wi Interactive Ultra Short Throw Projector which can project an approximate 2m (80) diagonal image from just 0.51m (20) away. Take learning to a new level when you project large crystal-clear images onto any surface & take advantage of 3D3 projection capability. Your students will love getting out of the textbook & onto the screen. Give every seat in the room a great view thanks to the amazing picture quality you get from DLP® technology & Brilliant Color technology. Deliver engaging lights-on presentations with optimal brightness of 3200 ANSI Lumens (max.) & contrast ratio of 2300 1 typical (full on/full off). Enjoy a complete suite of connectivity options including dual VGA HDMI S-Video RJ45 USB (Universal Serial Bus) (USB Display) & microphone. Engage & excite your students by introducing fun into the classroom with interactive lessons. With off-surface interactivity of up to 9m (29.5 feet) students can participate in solving problems or answering questions on the screen right from their desks simply by using the rechargeable interactive pen. Involve more students as the S500wi supports up to 10 pens. Project on virtually any surface—including dry-erase boards projector screens or even a wall—to help lower your total cost of ownership & maximize previous classroom investments Features 3200 ANSI Lumens Interactive technology WXGA native resolution Brilliant Color technology Dual VGA ports 1 Year Warranty..