The STARTECH ST121WHDS2 is a wireless HDMI extender kit that transmits 4K 60Hz signals up to 165 feet (50 meters) using a 5GHz point-to-point connection, without requiring a line-of-sight. It includes a transmitter with an HDMI output for a local display, IR blaster/receiver for IR extension, and offers 8kV air/6kV contact ESD protection. This kit supports HDMI 2.1 TMDS, HDCP 1.4/2.2, and 2.1ch audio, and comes with a mounting kit.