This is a set of 50 DX Antenna TV outlet plugs (for 5C). Please refer to "Product Specifications" and "Product Description" for details. This is a connector plug for attaching to the end of a coaxial cable and connecting to TV terminals on walls, receivers, etc. It is compatible with both 4C and 5C coaxial cables. It supports all 2K, 4K, and 8K broadcasts. You can easily connect it by inserting the coaxial cable, which has been processed to the specified length, and tightening the metal fittings inside the plug to secure it. It has a cable core connection confirmation window to prevent processing errors, allowing for safe assembly.