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Optoma UHD 35 & 38 Review - Ultra low input lag 4k gaming projectors TESTED. 4.2ms @ 240Hz!! - YouTube
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Amazon.com: Optoma DH351 1080p Full HD Office & Education Projector for Meeting Rooms and Classrooms | Bright 3,600 Lumens for Lights-on Viewing | HDMI Connectivity | Up to 15,000-hr Lamp Life : Electronics
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