Projection System: Epson 3LCD, 3-chip optical engine Projection Method: Front / rear / ceiling mount Driving Method: Epson Poly-silicon TFT Active Matrix Pixel Number: 1,024,000 dots (1280 x 800) x 3 White Light Output: 4000 lumens1 (ISO 21118 Standard) Color Light Output: 4000 lumens1 Aspect Ratio: 16:10 Native Resolution: 1280 x 800 (WXGA) Resize: 640 x 480 (VGA), 800 x 600 (SVGA), 1024 x 768 (XGA), 1152 x 864 (SXGA), 1440 x 900 (WSXGA), 1680 x 1050 (WSXGA+), 1400 x 1050 (SXGA+), 1600 x 1200 (UXGA) Lamp Type: E-TORL™ 230 W UHE Lamp Life: ECO Mode: Up to 3500 hours2 Normal Mode: Up to 2500 hours2 Throw Ratio Range: 1.62 – 2.61 Size (projected distance): 30" – 300" 16:10 aspect (3' – 50.6') Keystone Correction: Automatic Horizontal: ±20 degrees Vertical: ±30 degrees Manual Horizontal: ±30 degrees Vertical: ±45 degrees USB Plug 'n Play: Mac® compatible via DVI to VGA adapter (not included) USB Plug 'n Play for Windows® 2000 or later Contrast Ratio: Up to 2000:1 Color Reproduction: 16.77 million colors