Klarity K-90 4K HDR POE - HDMI over CAT extenders HDMI over Single Cat 5e/6/6a/7 Up to 90m 4K60 4:4:4 10bit* HDMI Loop-through for local display Super slim - only 16mm thick HDCP 2.2 Compliant Automatic EDID with IR Control Smart HDMIJust power the HDMI Transmitter. The HDMI Receiver requires no power, using Klarity's technology to combine power, video & audio over one Ethernet Cable.Therefore, you no longer need a power supply next to the HDMI Receiver's TV. It is also super slim at only 16mm so can be easily hidden behind a TV or mounted thanks to its tough metal case.HDMI LoopThis allows the HDMI Transmitter to split the video/audio into a local TV display, saving on the cost and space of a 2-way HDMI Splitter.Auto Cable LengthYou no longer need to waste time trying every DIP switch combination to adjust the cable length. Just press the Sync button and this is done automatically Quick, easy and trouble-free.Features: HDMI over Single Cat 5e/6/6a/7 Up to 90m 4K60 4:4:4 10bit* PoE - Receiver requires no power HDMI Loop-through for local display Auto cable length detection Super slim - only 16mm thick HDMI 2.0 HDCP 2.2 Compliant 18Gbps 3D Supported EDID IR Control Wall Mountable Metal casing *For optimal viewing experience you would require a full copper CAT6 cable for 60Hz at 55m.