Optoma ZK608TST 3D Short Throw DLP Projector - 16:9 - Black - High Dynamic Range (HDR) - Front - 2160p - 30000 Hour Normal Mode - 300,000:1 - 6000 lm - HDMI - USB - Network (RJ-45) - Large Venue, Class Room, Lecture Hall, Museum, Houses of Worship, Digital Signage: