Extreme all-weather flexibility (-58° to 167°F) Resists kinks, coils easily Lighted plug Glow-in-the-dark stripe Indoor and outdoor use The Flexzilla Pro extension cord is engineered to stay flexible in cold weather. It features a glow-in-the-dark stripe offering the operator the convenience they need when locating the cord in low light situations. Plus, the grounded plug includes a lighted power indicator. Flexzilla Pro extension cords are ideal for indoor/outdoor industrial grade applications. UL listed.