PANPEO HDMI Keystone Jack 4K Female to Female Adapter - 6PACK. It works with standard keystone wall plate and HDMI cable. Run HDMI cable through the wall. Connect one end of HDMI cable to your target input/output. Connect the other end to this HDMI keystone jack and snap it into the back of keystone wall plate. Connect HDMI device to this HDMI keystone jack. Easy to install: Quick snaps in installation and easily fits standard keystone wall plate, patch panel or surface box; Compatible with nearly all keystone style wall plates. Installation Tips: Hook the bottom lip into the cut-out while holding the keystone insert at a slight angle Rotate the insert upward to snap the retaining clip on the top into the opening until it snaps into place. Gold-Plated Connectors: Gold-plated HDMI pass-through connectors improve the signal transmission and resist corrosion to provide durability and copper shielding to minimizes signal interference between two devices. 24K Double gilt head ensure you a longer lifespan for durability. Widely used: Commercial grade HDMI Keystone Jack insert provides a professional looking installation for home theater A/V configurations with a wall mounted HDTV. Connect a Blu-ray player, streaming video player, HDTV, projector, computer and other devices with common HDMI ports. Support 4k: Full feature compatibility for all 3D, 4K, Audio Return Channel, Consumer Electronics Control, and Ethernet features of your HDMI cables and devices without any signal loss. Package including: 6x HDMI Keystone Jack Inserts (HDMI cables are not included).