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 4 ga., Wire Color Red, Length 120 In., Connection Material Copper, Insulation Type TPR, Max. Amps 60, Max. Temp. 150 Degrees F, Max. Voltage 60V, Features 10 ft. of cable, Standards SAE J1127