The IOGEAR Long Range Wireless 4K HDMI Video Transmitter and Receiver Kit (GWLRSSKIT4K) extends 4K HDMI signals wirelessly up to 600 feet (182 meters) without compromising video quality, audio, or IR control. Perfect for outdoor TVs or multi-screen digital signage with up to four 4K displays, this kit supports wireless keyboard and mouse inputs for remote KVM control. It features local HDMI passthrough, functions as a 1-to-4 splitter or up to 4-to-1 switch, and includes RS-232 and auxiliary audio ports for expanded device control and sound options.