LCD, XGA, 3800 Lumens, 16.000 : 1 cont ratio, throw ratio 0.46:1, 3.9 kg. Feature : HDMI input, Lamp life up to 10.000 hours & 10.000 hours filter life, 10Watt speaker, Short projection distance at 0.60 m(80 inch), corner keystone correction, curved screen correction, memory viewer function, USB display function, Black board mode, ECO friendly design