Standard SAE Quick Disconnect: The SAE socket side wall connector is suitable for producing weatherproof SAE power points, suitable for most SAE connections. (Note the correct polarity: red positive electrode, black negative electrode.) Easy to Install: This SAE quick connector wiring harness is compatible with most SAE ports, plug and play and easy to connect and disconnect. Please check that the polarity is correct before making the final connection. Premium Material: SAE extension cable, power socket side wall port, made of high quality 12AWG pure copper wire with good electrical conductivity, which provides stable current for your devices. Thick PVC protective jacket, excellent insulation performance, heat resistance and strong corrosion resistance. Oxidation can effectively extend the service life. Dustproof and Waterproof Cap: 2 pack SAE extension cable, SAE quick connect plug with weatherproof cover can protect against raindrops and dust, keep the inside of the Sae connector