Epson 4K PRO-UHD UST Projector (EH-LS500B) - Screen Size: 65 inches - 120 inches, Resolution: 4K PRO-UHD, 16:9, High Definition: 4K Enhancement, Aspect Ratio: 16:9, Contrast Ratio: 2,500,000 : 1, 3D Vertical Refresh Rate: 400 Hz - 480 Hz, Connectivity: USB Display Function: 2 in 1: Image / Mouse, Interfaces: USB 1.1 Type A, USB 2.0 Type Mini-B, RS-232C, Wireless LAN b/g/n (2.4GHz) (optional), Stereo mini jack audio out, 3 x HDMI (HDCP 2.2), Positioning: Desktop, TV Cabinet, Color: Black