Pole Position model tire warmers - This Updated design incorporates the features that Grand Prix teams enjoy: Temperature Adjustable - Change the operating temperature of the tire warmer with the Flip of a Switch! Each set is equipped with 130, 155 & 175 degree settings; custom temperatures available upon request. Operating Light - small neon bulb on each warmer lets you know it is working properly and when the tire has reached full temperature - Hard Case - this camcorder style case is blow-molded and impact resistant. Two tire warmers fit perfectly and are protected for packing.