ECO-WORTHY 5 Pairs MC4 Connector Male/Female Solar Panel Cable Connectors 5 pairs MC4 solar panel cable connectors (5pcs MC4 Male and 5pcs MC4 Female). Quick & simple assembly processing. Adopt tight-hoop connection of cable. Fastness of male and female points with stable self-locking system which is easy to lock and open. With the capacity of anti-aging and resistance to ultraviolet radiation on the outer cover.