Features: The product is easy to use, without tools and professional knowledge,convenient and fast. Can be quickly installed by directly inserting the standard connector, which can realize quick connection/disconnection. IP68 protections for harsh environment applications. The product shell is of nylon PA66, and the high-performances ceramic conduits is safe and reliabledly. The product with good waterproof performances, strong waterproof ability and not with signal attenuation. It is widely used in place where optical fiber signal transmission is needing especially for optical fiber distribution frame, optical fiber communication networking, fast Ethernet, optical fiber channel, Gigabit Ethernet speed, local area networking, data center, Specifications: Item: IP68 Fiber Quick Adapter Optical Coupler Size about:118x26mm/4.65x1.02in Component:ABS Type：Optional Package Includes: 1PC Fiber Optical Coupler note: There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution