☆.The optical cable contains plastic-coated aluminum tape + water-blocking material to ensure the waterproof performance of the waterproof joint ☆. The middle metal reinforcement core enhances the compression and tensile performance ☆.Waterproof, tensile, and grounded well, suitable for harsh outdoor environments; ☆. Various optical fiber communication networks, optical fiber LANs, etc.; ☆. Easy to install, simple to operate, and reliable.