Brightness of 3700 Lumens XGA (1024 x 768) Native Resolution 1.6x Zoom / 1.4 to 2.3:1 Throw Ratio Two VGA and One HDMI In S-Video, Composite, and Audio Inputs Supports Multiple 3D Formats Built-In 10 Watt Speaker Ethernet for Remote Projection/Operation RS-232 Connectivity