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 builtin 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 ConnectorMaterial: Plastic + BrassColor: As shown in the pictureWeight: Approx. 347g / 12.2ozWorking Current: 20A (4mm), 30A (6mm)Withstand Voltage: DC1000VContact Resistance: <=0.5mInsulation Resistance: > 500MApplicable Single Core Cable Section: 1.5mm-6mmCable Outer Diameter Range: 5-7mm / 0.20-0.28inAmbient Temperature: -40 - + 105 Protection Level: IP67Security Level: Insertion Force: 50Nwithdrawal Force: 50NFlame Retardant Rating: UL94-VOTerminal Connection Method: CrimpingApplication: Solar Panel Connection, etc..Package List:1 x Positive Connector1 x Negative ConnectorNote: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.