Feature: 1. [Crimping Terminal Connection] The extension cable adopts the crimp connection terminal, with good abrasion resistance and excellent softness. 2. [4 to 1 Solar Cable Connectors] This 4 way connector kit could be used for connecting upto four solar panels in parallel. 3. [Waterproof Solar Extension Cable] Solar cable connector adapter is perfect to sealing out water and dust to prevent corrosion. 4. [Durable] The extension cable connectors are stable and safe with the built‑in lock which is long durable in outdoor environment. 5. [Wide Application] The connector 4 branch Y type solar cable, suitable for solar power station, PV connector and PV junction box. Specification: Item Type: Solar Panel Connector Material: Plastic + Brass Color: As shown in the picture Weight: Approx. 347g / 12.2oz Working Current: 20A (4mm²), 30A (6mm²) Withstand Voltage: DC1000V Contact Resistance: <=0.5mΩ Insulation Resistance: > 500MΩ Applicable Single Core Cable Section: 1.5mm²-6mm² Cable Outer Diameter Range: Φ5-7mm / 0.20-0.28in Ambient Temperature: -40 ℃ - + 105 ℃ Protection Level: IP67 Security Level: Ⅱ Insertion Force: ≤50N withdrawal Force: ≥50N Flame Retardant Rating: UL94-VO Terminal Connection Method: Crimping Application: Solar Panel Connection, etc. . Package List: 1 x Positive Connector1 x Negative Connector Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.