1 pair 12AWG Solar Extension Cable ( Black and Red ). Made with copper, low resistance. Both solar cables are terminated with 1500V solar Connectors. Error range: 1-3 percent .The insulation layer of the solar cable is made of excellent PPO, which has the characterictics of good flame retardancy, self-extinguishing, high strength, abrasion resistance and corrosion resistance. PV or Solar Panel Extension Cable is designed for outdoor use and is moisture, UV and corrosion resistant. The wiring is weatherproof and designed to withstand extreme heat and cold.Two cables with solar connecters at one end connecting to solar panel and bare on the other end connecting to solar charge controller Using diameter cable minimizes power loss in your solar panel system.The design of the waterproof ring prevents water and dust from entering the connector and keeps the inside dry and clean. Easy to install and compact, portable and easy to use Good material make the transmission in the stable situation High quality Made with the highest quality materials, heavier and sturdier than other similar products in the market, which the long term durability. Have the characteristics of high temperature resistance and waterproof, and can be used for a long time in a complex outdoor environment. Easy Installation: Standard connectors that the connectors are secure and easy to connect or remove with any other solar cable. The cable is made of heavy duty 4mm wire(12AWG). Very thick and durable. Using high-quality PV1-F material, this solar cable has the characteristics of anti-shock and anti- radiation. This solar cable is made with pure copper, and we plated a layer of tin on the outside of the copper cable, to prevent corrosion and oxidation, with this layer of tin protection, your solar cable can be used for20 years. The factory batches are different, if there is a slight difference in the product, it will have no effect on the product Colour:redandblack Material:plastic Size:3Meter Package Contents: 1 x Red Solar Extension Cable 1 x Black Solar Extension Cable 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.