Professional waterproof design with cable thickness compatibility from 9mm to 12mm. By twisting the caps, a rubber ring seals tightly around the cable for a complete closure. Ideal for use in junction boxes for displays, tunnel lighting, street lighting, outdoor lighting, garden lighting, LED displays, LED tunnel lighting, LED street lighting, outdoor LED displays, and LED garden lights. The socket is constructed from high-strength polycarbonate and PA66 materials, suitable for home, garden, farm, or quick connections for outdoor lighting and external wiring. The screw nut adjusts the inner diameter of the washer by rotation, allowing a perfect fit for different cable sizes without replacing components. Premium power cable connector offers durability, waterproof performance, sun resistance, corrosion resistance, and UV protection.