Contrast 3.000.000:1; Laser light-source laser diodes; Time until light output declines to 50 % 24,000 hours (ECO); HDMI in x 3; COMPUTER IN x 1; MONITOR OUT x 1; REMOTE IN x 2; audio in & out; DIGITAL LINK/LAN x 1; DC OUT USB Connector (Type A) x 1; Detail Clarity Processor 4, Dynamic Contrast, and Daylight View Basic; Edge-Blending, Contrast Sync, and Shutter Sync functions, and support Geo Pro software;Multi-Screen Support System; Free 360° Installation; Works with Crestron® Connected, AMX DD, PJLink™, and Art-Net DMX; 4K-signalready