Metal IP67Circular Connectors threaded coupling Material and spec: Coupling: threaded Number of contact: 2, 3, 4, 5, 6, 7 and 9 Shell material: Zinc alloy with black nickel plating IP rating: IP67 Rated current (A): 3 and 13 Mating cycle: 500 Temperature range: -40°C / +85°C Termination: Solder