Key Specifications Resolution:SVGA (800 x 600) native, with a maximum support of 1920 x 1200. Brightness:4000 ANSI Lumens in standard mode. Contrast Ratio:20,000:1. Aspect Ratio:4:3 native, 16:9 supported. Projection System:DLP™. Lamp Life:Up to 15,000 hours in ExtremeEco Mode. 3D Compatibility:Built-in. Connectivity & Features Ports:HDMI, VGA In, VGA Out, USB (Mini-B), Composite Video, Audio In, and Audio Out. Image Correction:Vertical Keystone Correction is available. Technologies:Features Acer LumiSense™ and BlueLightShield™ technology. Included Features Wireless Projection:Optional via a wireless dongle (sold separately). Built-in Speaker:The projector includes a built-in speaker.
