Lumileds LEDs, flip chip technology, single unit’s damage won't affect others' normal work. Honeycomb briquette effect heat dissipation principle, best thermal management system. Designed to last at least 60,000 hours at L70. Multiple lighting distributions available. Wide power range: 30W~480W. Standard color temperatures: 3000K, 4000K, 5000K, 5700K. Minimum 70 CRI. Aluminum housing. Easy tool onsite maintenance & repair.