You need power and bulletproof performance. But you also crave ease of use features like user replaceable lenses for your team and color coded connections for your users. The C460 gives you both. This new professional grade installation and integration projector has all the performance details you need. Lumens: 4500; Aspect Ratio: 4:3 (supports 5:4, 16:9); Contrast Ratio 750:1; Perfect projection; Connection power; Innovation.