Little Light Machine
It may be smaller than traditional classroom projectors, but Optoma’s TW610STi+ pumps out 3,200 lumens of light for a lesson with the room’s blinds up. The $1,000 projector creates a 1,280 by 800 image, can deliver a 6-foot image from 36-inches away from the screen and includes an interactive pen is included. The projector has a pair of VGA-in ports as well as HDMI, composite video and a variety of audio connectors. It comes with a three-year warranty.