DURABLE: This HDMI connector is made of Zinc diecast (ZnAl4Cu1), flame retardant, UV resistant, and anti-aging. Perfectly supports 4K HDR 1080P 60FPS. Bandwidth up to 18Gbps. The contact pin is phosphor bronze (CuSn8) plated with 7µm Au, which is more sensitive to contact. The industrial panel mount bulkhead includes a water/dust cap that meets IP67 Waterproof Protection. Standard D-Series Connector for Panel-Mount Installations, and save installation space, HDMI female to female field installable coupler, no soldering, no installation tools, just plug the standard hdmi head directly for quick installation.