Hitachi CP-WU5505 3LCD WUXGA 5000 Lumens ProjectorCP WU5505 5200 Lumen WUXGA LCD Projector with HDBaseT Port from Hitachi is part of the Collegiate Series of projectors, designed to produce bright whites and colors that transform classrooms, lecture halls, and auditoriums into multimedia learning centers. The CP WU5505 is stackable; one projector can be placed on top of another so both will project the same image onto a screen for added brightness. Multiple projectors can also be placed side by side