High brightness enables comfortable lights-on presentations to promote discussion, collaboration, & note-taking in larger meeting rooms with bright lights. The high luminance lets even participants seated furthermost clearly see the slides & boosts picture quality with vibrant color for pictures & videos as well as crisp text & fine details. With great contrast & pixel fill factor, Ben Q projectors produce true blacks & unmatched readability with every character, graph, & chart crisply defined. High fill factor increases clarity for black & white or color images & reduces eye strain for presenters & audiences to stay focused on the content. Dual HDMI inputs in addition to dual VGA inputs are purpose-engineered to host multiple presenters & 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, & 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 & simple.