Color / White Light Output: 4.000 Lumen- 2.600 Lumen (economy) In accordance with IDMS15.4 Resolution: WXGA High Definition: HD ready Aspect Ratio: 16:10 Contrast Ratio: 16.000 : 1 Interfaces: USB 2.0-A, USB 2.0, VGA in, HDMI in, Composite in, Wireless LAN IEEE 802.11b/g/n (optional), Cinch audio in