Optoma 4K400STx 3D Short Throw DLP Projector - 16:9 - White - High Dynamic Range (HDR) - Front - 2160p - 4000 Hour Normal Mode - 10000 Hour Economy Mode - 4K UHD - 1,000,000:1 - 4000 lm - HDMI - USB - Class Room, Home, Meeting, Entertainment - 12 Month Wa
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