Monoprice Recessed HDMI Wall Plate, with 1 HDMI F/F Adapter, 1RJ45 Cat5e Coupler & 1 F Connector, Gold Plated Buy with Confidence: With Monoprice's Lifetime Warranty on all Cables, you can rest assured we stand behind our products and our customers. This wall plate features a female-to-female HDMI coupler, allowing you to connect an HDMI cable inside the wall to one on the outside. It is capable of full High-Speed operation and supports all HDMI features. It is gold-plated to ensure smooth, corrosion-free connections every time. The wall plate also includes a female-to-female Cat5e RJ45 coupler and a female-to-female Coaxial RF coupler, allowing you to connect Ethernet and Coaxial RF cables inside the wall to cables on the outside. Note that for safety purposes, you must use cable rated for in-wall, riser, or plenum use when running cables inside your wall. Failure to do so could result in a fire hazard and invalidate any fire insurance claims.