3LCD Technology, WXGA, 3300 Lumens, 1 x RGB + 1 RGB/Mon Out, 2 x HDMI, 2 x USB Type A, USB Type B, RJ-45 LAN, 16W Speaker, 10000:1 Contrast Ratio, Manual V & H Keystone Correction, Perfect Fit, PIN Lock, White / Black Board Mode, My Sceen, My Text, Top Lamp Cover, Instant On/Off, Ultra Short Throw 80 at 52 cm, WiFi 802.11b/g/n, iOS compatible for iPAD/ iPhone/ iPOD Touch, Built-In Infra Red & Ultra Sonic Sensor, WIRELESS, Including Wall Mount Bracket, StarBoard, i-Pro & U-Pointer Software + 2 x I-Pen for Interactive Projector , Laser Sensor Module for Finger Touch.