Product Description 1.What is Tin-plated copper wire?A thin layer of tin is plated on the surface of the copper wire.It looks silver.It has good electrical conductivity, Compared with bare copper wire stronger corrosion resistance and oxidation resistance, which can greatly extend the service life of the wire.2.What is 1007 wire?1007 wire is a kind of electronic wire, which is the internal wiring of electrical equipment.The insulating layer uses PVC material; The conductor uses copper wire or tinned copper wire (ZLKSKER wires all use tinned copper wire); Rated temperature: 80 C; Rated voltage: 300V; Pass UL VW-1 flame resistance test.3.18AWG (American Wire Gauge) wire standard: Conductor diameter 1.02mm; Cross-sectional area: 0.81mm2 Wire outer diameter 2.0mm.Note: Install the extension cable after the computer is powered off