A cost-effective and long-term lighting solution, the 57 watt HiLumz high efficacy retrofit kit provides a 50,000 hour lifespan and can replace a 250 watt HID light, significantly reducing your facilitys energy costs. Featuring 144 LEDs, the retrofit kit provides a 115 degree beam with a 4000K or 5000K color temperature. To ensure your LEDs never overheat, the kit features Sunon Maglev fan technology that provides up to 70,000 hours of 24/7 operation. Made in the United States, it has a 5 year warranty.