California Proposition 65: This product contains a chemical known to the State of California to cause cancer. California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.Battery Jumper Cable, Wire Size 8 ga., Wire Color Black, Length 300 In., Connection Material Copper, Insulation Type TPR, Max. Amps 24, Max. Temp. 150 Degrees F, Max. Voltage 60V, Features 25 ft. of cable, Standards SAE J1127