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 Working Temperature: -40°C-105°C Total Length: approx. 88mm/3.46inch Middle Connector: approx. 37 x 28mm/1.46 x 1.10inch Double Head(with cap): 41 x 28mm/1.61 x 1.10inch ATTENTION: This product is only suitable for crimping crystal heads. Can't have locking clip cover. Package Included: 10x Waterproof RJ45 Connector