|CPA (Copper Coated Aluminum )
USEFUL LED LIGHT：Our Jumper cables 4-gauge 16ft with LED light in each clamp with a total 4 LEDs better help customers use in the dark, safer during night. The LED lights start up as you open the clamps.
FAST AND GOOD CONNECTION: CCA(Copper Coated Aluminum) for easy electrical conductivity and power transfer. Ideal for use with full size cars and cargo vans, mid-size pickup truck and freight hauling vehicles.
DURABLE CABLES: 4 Gauge 16FT 300Amp heavy duty battery jumper cables. Tangle-free design. PVC insulated cables remain flexible at -40F/-40C to 167F/75C
STRONG CLAMPS: Clamp jaw designed for side and top post. Strong spring make the clamp hold up terminal well and no falling off
WARRANTY AND STORAGE: With a travel bag, instructions and warnings printed on the back of the carry case for your convenience and safety.