High Quality: Good material ensure the transmission in stable situation. Corrosion-resistant connectors for long-term use. Good Compatibility: Compatible with PV cables with different insulation diameters (2.5mm2--6mm2). Easy to Install: Installation is easy, but a crimping tool or crimping pliers is recommended for a tight fit. Excellent Water Resistance: The insulation materials have excellent resistance to water, dust, aging, and UV, and can be used in harsh environments. Professional: Designed to connect solar photovoltaic systems with high mechanical requirements and the ability to withstand extreme weather conditions. Product Description Features: Lightweight and compact, portable and easy to use. Stable self-locking system, easy to lock and open. Corrosion-resistant connectors for long-term use term. This connector is specially designed for connecting solar photovoltaic systems with high mechanical requirements and extreme weather conditions. For permanent installations.