The CP-WX5505 combines WXGA resolution with super-bright 5000 ANSI lumens for a stunning visual achievement. It can transform classrooms, lecture halls, and auditoriums into true learning centers. The CP-WX5505 is easily stackable which enables you to place one projector on top of another to project the same image from both onto a screen for added brightness. Incorporating Hitachi's technology, the CP-WX5505 features an image-enhancing combination of Accentualizer, High Dynamic Contrast Range (HDCR) and Image Optimizer, all of which contribute to the overall visual experience. Plus, it combines optimal picture performance with maximum energy savings for a lower cost of ownership.