100', 12/3 sjtw, blue, pro lock extension cord, 58 degrees fahrenheit, -50 degrees celsius, special cold weather pvc jacket guarantees flexibility in temperatures well below freezing, molded on pro lock connectors will not pull away from the cord body & offer extra water resistance, high impact polycarbonate on both housing & collar on our pro locks to guarantee hard service, extra heavy duty use, fully safety compliant & its patented cgm connector features a continuous green ground check light that lets you know the cords electrical current is safely grounded.