3LCD Technology, XGA, 3100 Lumens, 2 x RGB, HDMI, 2 x USB Type A, USB Type B, RJ-45 LAN, Mon Out, 16W Speaker, 10.000:1 Contrast Ratio, Manual V & H Keystone Correction, PIN Lock, White / Black Board Mode, My Sceen, My Text, Top Lamp Cover, Instant On/Off, Ultimate Short Throw 80" at 90 cm, WiFi 802.11b/g/n, iOS compatible for iPAD/ iPhone/ iPOD Touch, connect WiFi pen tablet Hitachi TB-1, Accentualizer, Image Optimizer, High Dynamic Contrast Range (HDCR)