4 Inputs to 1 Output HDMI Switcher, Supports Ultra HD/4K.PRODUCT FEATURES:- Digital Switching: 4 HDMI Sources to 1 HDMI Display- Resolution Support: SD, HD, and VESA up to UHD/4K (4096x2160/60/30/24 or 3840x2160/60/30/24)- Ultra HD/4K: Supports Ultra HD/4K Signal transmission- 3D Ready: Capability to pass 3D stereoscopic signal formats- Full Buffer System: Manages TMDS re-clocking / signal re-generation, HDCP source & display authentication, Hot Plug Management and EDID Control handshake- EDID: Internal library with 16 default EDID configurations for each input, including native EDID data for any Output/Display- Lossless Compressed Digital Audio: Dolby TrueHD, Dolby Digital Plus and DTS-HD Master Audio- Deep Color Support: Up to 12 bits/color (up to 8 bits/color@4K/60)- CEC: Fully Supported- I2C Communication: EDID and HDCP transparency from Display to Source- Licensing: Fully licensed and compatible with all HDMI and HDCP technologies- Control: Front panel push button and LEDs, Optical IR- Major Control System Support: Compass Control, AMX, Control4, Crestron, KNX, RTI, Savant, URC, Honeywell, HAI, Leviton, etc.