LG ProBeam BU70QGA DLP Projector - Ceiling Mountable - High Dynamic Range (HDR) - 3840 x 2160 - Front, Ceiling - 20000 Hour Normal Mode4K UHD - 3,000,000:1 - 7000 lm - HDMI - DVI - USB - Wireless LAN - Network (RJ-45) - Bluetooth - Museum, Gallery, Corporate, Education, Gaming, Digital Signage: