Pair of IP68 Waterproof MC4 Connectors

They are a pair of MC4 connectors, 1 piece MC4 Male and 1 piece of MC4 Female.  MC4 Connectors are the industry standard for connecting photovoltaic panels for safe operation.  Dust free and water proof!1) Housing: 100% GE PPO                                        2) Degree of protection: IP68 (the highest protect level, dust proof and water proof that can withstand water immersion to a depth of 6.6 feet for 60 minutes.)                         3) Contact resistance: 0.5mΩ4) Contacts: Copper: Silver plated5) Flame class: UL94-V06) Pin dimensions: Ø4mm                                      7) Wire size range: 2.5~6.0mm²