The extreme all-weather extension cord adapter is constructed of 100% TPE (thermo-plastic elastomer) compound which guarantees maximum flexibility as well as abrasion and oil resistance. Furthermore, the TPE compound provides a lightweight, tangle-free construction to the extreme cord adapter, not commonly found on most standard PVC cords. Tested in some of the harshest weather conditions in Alaska, the extreme all-weather extension cord adapter is designed for durability to last a lifetime! Stays flexible in extreme temperatures! (221F to -94F). Extra heavy duty SJEOW 300 Volt jacket, NEMA 5-15 plug, NEMA 5-15 3-outlet power block with indicator light to indicate that power is being supplied to the receptacles. Rated for 125 Volt, 15 A, 1875 W. suitable for indoor and outdoor use.