Solar T branch : High quality 1 male to 4 female(M/4F) and 1 female to 4 male(F/4M), it could be used for connecting two solar panels in parallel. It is compatible with solar in 10AWG to 18AWG. Safe & Waterproof: An IP67 waterproof ring on the Y branch is perfect that seal out water and dust to prevent it from corrosion, great to withstand extreme weather and high humidity, safe and durable. High Security: Solar panel is certified by TV, made of corrosion-resistant and UV-resistant PPO material, designed for photovoltaic solar with high mechanical requirements and extreme weather conditions. Quality material makes that it can keep working stably from -40 to 190. Easy Assembly: Stable self-locking system which is easy to lock and open. Press your to the either sides of the built-in lock on the male connector can disconnect the connector , easy to connect with solar panels. Colour:black Material:PPO Package Contents: 2 PAIR X SOLAR BRANCH 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 +/- 1-3cm.