This weatherproof RJ45 bulkhead connector comes with an attached protective rubber cap and panel mounts through a 22 mm hole and is fastened with a tightening nut (included). It has a nickel colored plastic bezel and 2 female connectors. The ethernet connector can be used with Cat5e and Cat6 ethernet cables. Use the cover when not in use to maintain an IP67 rating protecting against dirt and liquids.