The female to female RJ45 ethernet lan cable coupler is used to turn the standard CAT5/5e patch cord into the waterproof type for the ethernet connecting in the harsh industrial or outdoor environments. A gasket seal provides optimum protection from moisture and other contaminants with an IP67 rating. Using the standards based RJ45 connection system insures compatibility with existing hardware. Specifications: Color: Black CNBTR Material: Plastic + Metal INGRESS PROTECTION: IP67 Connect Port: RJ45 Cable Core: 8 Pins:8P8C Flame retardant rating: UL94V-0 Mounting hole size: 20.8mm Case wall thickness: 0.3~8mm Connector transmission classification: CAT5E Transmission speed range: 10BASE-T. 100 BASE-T and 1000 BASE-T network Rated current: 1.5A Rated voltage: 36V Insulation resistance: ?500M? Compressive strength: AC 500V 50HZ or 60HZ for 1 minute Contact resistance: ?10m? Shell: Nylon PA66 (UL94V-0) Working Temperature: -40°C-105°C Total Length: approx. 104mm/4.09inch Durability: more than 500 mating&unmating cycles ATTENTION: This product is only suitable for crimping crystal heads. Can't have locking clip cover. Package Included: 5x M20 Cat5e Waterproof RJ45 Connector