Epson 4K PRO-UHD Projector (EH-TW7400) - Screen Size: 50 inches - 300 inches, Resolution: 4K PRO-UHD, 16:9, High Definition: 4K Enhancement, Aspect Ratio: 16:9, Contrast Ratio: 200,000 : 1, 3D Vertical Refresh Rate: 400 Hz - 480 Hz, Interfaces: USB 2.0 Type A, USB 2.0 Type B (Service Only), RS-232C, Wireless Network (optional), Trigger out, VGA in, 2 x HDMI in, HDMI (HDCP 2.2), Wired Network, Positioning: Ceiling Mounted, Desktop