Ultra-efficient lenses, combined with our unique materials and powerful next generation LED's, make this lamp an ideal high-performance, high value lighting solution. Ultra-efficient lens design leads the world in performance Exceeds FMVSS 108 standards Reliable performance over 100,000 hours Waterproof, sealed body that is immune to shock and vibration Circular lens output reduces mounting errors Standard non-polarized connector Low profile design reduces damage Made in the USA with a Lifetime Warranty Heavy duty trucks, Semi-trailers, Cargo trailers, Boat trailers Work vehicles and any motor vehicle requiring quality DOT rated lighting