Optoma H31 Home Theater 480p DLP Video Projector 850 typical lumens, 3,000:1 contrast ratio Supports 4:3 and 16:9 aspect ratios DVI-I with HDCP, RCA component, S-video, composite inputs Supports RS-232 and IR remote control Up to 2,000-hour lamp life, 3,000 hours in low-power mode