AAOTOKK HDMI Keystone Coupler Gold Plated HDMI Keystone Jack Insert Female to Female 3D 4K Coupler Adapter for Wall Plate Black 2 Pack

"Quantity:(2-Pack) Size:Length, width, height(2.7cm*1.6cm*1.4cm) Material:plastic. Color:(Black) Connectors 1 :HDMI keystone female jack . Connectors 2 : HDMI keystone female jack. Supports video resolutions up to 4K 3840x2160 @ 60Hz(Note:4K video may degrade with long cable runs) Installation Tips: 1. HDMI Keystone Jack Insert is vertically oriented 2. Hook the bottom lip into the cut-out while holding the keystone insert at a slight angle 3. Rotate the insert upward to snap the retaining clip on the top into the cut-out until it snaps into place 4. Connect an HDMI adapter to route cables in tight spaces 5. Test all the cabling with the keystone insert before installing permanently in the wall 6:(Note: This HDMI adapter may not be suitable for the ultra-thin decorative wall panel of the trapezoidal jack. Please think about your installation position before loading. The HDMI adapter is difficult to remove after installation.) The Cable Matters Gold-Plated HDMI Keystone Jack insert provides a simple and secure way to connect HDMI cables into a wall plate for a professional-looking installation. Disguise your cables behind the wall instead of running them on the floor in a tangled mess."