Solar Panel Y-Branch Connectors: High-quality 1 male to 4 female (M/4F) and 1 female to 4 male (F/4M), it can be used to connect two solar panels in parallel. It is compatible with solar panel connectors in 10AWG to 18AWG. Safe & Waterproof: An IP67 waterproof ring on the Y-branch connectors is perfect for sealing out water and dust to prevent corrosion, great for withstanding extreme weather and high humidity, safe and durable. High Safety: The solar panel connector is TV certified, made of corrosion-resistant and UV-resistant PPO material, designed for solar panels with high mechanical requirements and extreme weather conditions. Quality materials allow it to continue to function stably from -40 to 190°C. Easy Installation: Stable self-locking system that is easy to lock and open. Press on either side of the built-in lock on the male connector to disconnect the connector, easy to connect to solar panels. Color: Black Material: PPO Package Contents: 2 PAIRS X SOLAR PANEL Y-BRANCH CONNECTORS Note: Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.