SAFETY & SECURITY: Our solar panel cable connectors are made of PPO material, a high-quality material that can withstand temperatures from -40C to +125C. It has strong heat resistance, corrosion resistance, low fire point and wear resistance. Guarantees safe use in all weather conditions. HIGH LOAD CAPACITY: Our mc4 solar connector has a continuous voltage of 1000V, a current rating of 30A and a waterproof rating of IP68, which can ensure a safe electrical connection. Waterproof Structure and Easy Installation: The connector is equipped with a waterproof ring to seal water and prevent corrosion. Assembly is quick and simple, the connectors are easy to disassemble. Use two wrenches for quick assembly or disassembly. GOOD COMPATIBILITY: Our solar connector set is compatible with 2.5/4/6mm/14/12/10 AWG photovoltaic cables (solar cables). Meet the needs of different specifications of solar PV cables in the market. PACKAGE CONTENT: The package includes 10 pairs solar panel connector, 10 pairs photovoltaic connector copper cores and 2 pairs solar connector keys.