Tripp Lite B126-4X4 allows Four HDMI video sources ( DVR, Cable box, etc ) to be shared among multiple monitors, over ordinary Cat5e/Cat6 cable. When used with Tripp Lite Active HDMI receivers, can extend a 1080P signal up to 125ft, and 1080i up to 175ft. Allows any Input to be routed to any Output; or the same Input to be routed to multiple outputs. Four monitors can be supported with the basic switch...further expand the range and number of monitors by adding B126-110 remote repeater units. Switch is HDCP compliant, and is Plug-and-Play...no software or drivers required. TAA