[HEAVY DUTY 30A & 1000V RATINGS]These photovoltaic connectors handle up to 30A current and 1000V DC high voltage, ensuring maximum power transmission and stable secure linking with zero degradation. [UNIVERSAL COMPATIBILITY & 3-SIZE ADAPTATION] Widely compatible with various PV cables and fits 2.5mm², 4mm², 6mm² solar wires (Equivalent to 14/12/10 AWG). Perfect choice for expanding or repairing your solar panel kit, homebrew solar systems, and RV/yacht photovoltaic projects. [IP67 WATERPROOF & WEATHER-PROOF] Features an advanced high-strength waterproof ring design that seals out all moisture, dust, and air. With outstanding UV resistance and an operating temperature of -40°F to 185°F, this solar cable connector ensures a rock-solid, long-lasting link in harsh outdoor environments. [SOLDERLESS TERMINALS & QUICK LINK]No need for complex crimping tools or soldering iron. in the stripped PV wire and tighten the inner for a high-torque, pull- wire terminal connection in seconds. [SECURE LOCK & AUTO-LOCK MECHANISM] Equipped with a stable automatic locking system that clicks tightly to prevent accidental disconnection caused by heavy vibrations or cable tugging. Ideal bulk pack for professional solar technicians, DIY enthusiasts, and industrial maintenance crews., Manufacturer: Aundhegrtt