Optoma EH412 3D Ready DLP Projector - 16: 9 - 1920 x 1080 - Front, Ceiling, Rear - 1080p - 4000 Hour Normal Mode - 10000 Hour Economy Mode - Full HD - 50, 000: 1 - 4500 lm - HDMI - USB Incredible 4, 500 lumens and 50, 000: 1 contrast ratio Flexible installations with 1. 3x zoom and RS232 4K UHD and 1080p HDR (HDMI 2. 0) input compatible Accurate color with sRGB & REC. 709 color profile Powerful 10 watt speaker Minimal maintenance with 15, 000 hour lamp life Exceptional brightness and lamp life Project incredibly bright 4, 500 lumens, 1080p images with the Optoma EH412. Support for 4K HDR input sources, sRGB and REC. 709 color profiles with a 50, 000: 1 contrast ratio ensures sharp and vivid images, ideal for classrooms, meeting and training rooms. The 1. 3x zoom, keystone correction and RS232 control deliver flexible installation options. Powerful 10-watt audio fills a room with loud and crisp audio to further enhance media and presentations. Robust inputs include HDMI 2. 0 and VGA for connectivity to a wide range of devices. A 15, 000-hour lamp life enables many years of use with minimal maintenance.