Prime Neon Flex high visibility extreme cold weather extension cords provide outstanding performance in extreme climate conditions at temperatures from -58 deg. F up to +140 deg. F (-50 deg. C up to +60 deg. C). Neon Flex cords provide superior resistance to moisture, ozone, cracking and are outstanding in resistance to abuse, rough handling and wear. The Primelight power indicator light in the connector shows when there is power through the cord.