Scalable modular design which adopted Lumileds Luxeon T SMD LED delivers excellent quality of light and luminious performance Superior heat dissipation by high quality Aluminum heat sink to ensure lowest operation temperature and maximize LED life span at >60,000 hours Aluminum die cast lamp body and SUS316 marine-grade stainless steel fixations Premium grade Polycarbonate lens offers superb impact protection to the LED Operating ambient: -40°C to +50°C, 10 to 95%RH Product is certified under IECEE CB Scheme Safety and environmental standards recognition 5-year limited warranty