Neoprene Side Skirts More Durable and Crush-Proof Carbon Wire Technology Level I temperatures heat to 140° F (maintain) Level II temperatures heat to 185° F (heat soak) Thermal foil liner: total 750 - 800 watts per set Super bright red LED indicator Rubber hook and loop fastener pull tab Usable with all compounds of motorcycle track/race tires Extends tire life Includes durable zippered EVA carrying case Carbon wire technology uses only 750-Watts per pair Thermal foil heating dispersion liner Breakaway electrical cord Two-year no hassle manufacture warranty