Material: Silicone rubber+0.08mm² High-purity oxygen-free Tinned Copper wire Total 7 Colors:Black ,Red,Yellow,Green,Blue,White and Brown; Wire Length:13Meters / 42.6Ft each color/spool Voltage Rating: 600 Volts; Rated temperature: -60 - + 200; Bear Current:0.8A 28 Gauge(0.08mm²) silicone wire - super flexible 16 strands of 0.08 mm Tinned copper wire - Highly efficient - Super low impedance for a highly efficient connection Conductor: High purity Stranded oxygen-free copper with tin-plated, specification features high conductivity, low resistance and soft, can be bent arbitrarily, easy to welding, stripping, crimping terminals,connect,cut.