BenQ LH850ST 3D Short Throw DLP Projector - 16:9 - High Dynamic Range (HDR) - Front - 2160p - 20000 Hour Normal Mode - 38000 Hour Economy Mode - 3,000,000:1 - 4000 lm - HDMI - USB - Wireless LAN - Network (RJ-45) - Simulator, Room, Indoor, Cinema, Training, Exhibition, Meeting, Presentation: