... from Texas Instruments - Resolution Native:1920x1080, support Computer signal up to WUXGA(1920x1200)60Hz - Brightness (typical) 3,600 ANSI Lumens - Contrast ... 2.22:1 - Keystone Correction Vertical ± 10 degrees - Aspect Ratio 16:9, 4:3, LBX, Native - Video Compatibility HDTV(480p, 576p ... x1,+12V Relay output x1,USB Port (For USB remote mouse control/service) x 1,RS-232 interface x 1,IR receivers (front ...