16 Gauge Copper-Clad aluminum (CCA) 100 FT red & black bonded Zip Cord Wire. Aluminum core wire, 10% copper coating. Flexible PVC, PVC Rated to 105degC, 6-80VDC. Low-cost alternative to OFC copper wire. Achieves 80% conductivity at 1/3 of the cost. Ideal for 12V automotive hookup, Car Audio, indoor, interior use