BenQ MX816ST 3000 Lumen XGA Short Throw Smarteco DLP ProjectorDesigned for disruption free learning in small sized classrooms, the MX816ST offers a 78 XGA picture in only 39 inches with a 0. 6 ultra short throw ratio. Together with 13000: 1 ultra sharp contrast ratio and 3000 ANSI lumen brightness, this projector has the most dynamic image quality to offer! Specifications Eco Blank Mode allows teachers to blank the projection screen whenever they need to direct their students' focus back on them SmartEco Mode