Sharp's X171Q-B is a 16,500-lumen 1-Chip DLP RB laser projector with a 4K UHD (3840x2400) screen resolution. With advanced professional installation features for corporate, higher education, and museum users. With its multitude of digital inputs, connection to any computer or high definition device is possible. Enjoy design and installation flexibility with a complete line of optional motorized lenses (lens shift, focus, and zoom), and roll-free installation capabilities.