High brightness enables comfortable lights-on presentations to promote discussion, collaboration, and note-taking in larger meeting rooms with bright lights. The high luminance lets even participants seated furthermost clearly see the slides and boosts picture quality with vibrant color for pictures and videos as well as crisp text and fine details. With great contrast and pixel fill factor, Ben Q projectors produce true blacks and unmatched readability with every character, graph, and chart crisply defined. High fill factor increases clarity for black and white or color images and reduces eye strain for presenters and audiences to stay focused on the content. Dual HDMI inputs in addition to dual VGA inputs are purpose-engineered to host multiple presenters and their laptop or mobile devices without taking time to take turns. Multiple inputs enable meeting participants to collaborate instantly without complicated adapters or time-consuming IT support. Countering the trapezoid effect when the projector must be placed off-center, vertical keystone function adjusts the image for a professionally squared image. Keystone correction makes it easy to project ideally aligned images from a variety of locations. Conveniently placed on top, an easy-to-open lamp door allows fast lamp access, maintenance, and replacement for uninterrupted productivity when the projector is ceiling mounted in meeting rooms. The quick-access lamp door significantly reduces downtime by eliminating the need to uninstall mounted projectors, making lamp changes fast and simple.