The In Focus IN3100 projector series provides your conference room or classroom with a powerful, vivid, & reliable display solution. Throw Ratio: 1.41-2.12:1 Brightness: 4000 ANSI Lumens Brightness: 3400 ANSI Resolution: 1280 x 800 WXGA Contrast: 4000: 1 Weight: 3.7 (kg) Noise: 33 d B ECO noise: 31 d B Lamp life: 3500 h