·COLOR: Black MATERIAL: Polypropylene (Nylon PA66) Acid, alkali and alcohol resistant, Heat resistant. · WORKING TEMPERATURE: -40 - 212, maximum to 248. ·WATERPROOF:IP68 Cable glands come with gaskets for the bulkhead mounting. It makes the seal against the inside of the surface you're installing them on. thus are waterproof. ·EASY INSTALLATION:Cable can be inserted through directly then tighten easily. No need for disassemble. ·GUARANTEE:WE GUARANTEE QUALITY. If you not satisfied with our product quality or unhappy with the purchase, please contact us Via email. We are glad to help you.