Features & description: On both the inner and outer side is a USB A 3.0 connection, which is a pass through so it can be used for power, data, and either host or peripheral. This USB bulkhead connector is made of premium material, which can withstand long-lasting use. Features the plastic and zinc alloy material, which has high durability, not easy to deform. This USB 3.0 coupler can convert USB male port to female port to connect other devices, or connect two USB cables together and extend the overall range. Applications:General outdoor applications to transfer data signals；Outdoor or extreme condition data centers, data cabinets, and computer devices IP67 WATERPROOF ,adapt to a variety of harsh environments.Feature with copper needles uses brass solid terminals and the surface is gold-plated. Guarantee the stability of the current. Package：2pcs