These 4 in. square ultra-slim downlights from Sunlite feature innovative technology that provides down lighting without all the labor. Use for new installations or as a retrofit replacement for existing recessed lighting. Perfect for residential, commercial, retail, office, hospitality and educational institutions. Built-in long life LED technology means 36,000-hours of maintenance free service. No ladders to climb or difficult to reach bulbs to replace. With an annual energy cost of $1.2 (based on 3 hrs/day $0.11 per/kWh) you'll save over 80% versus traditional bulbs. These dimmable fixtures are instant on with no warmup time. And no flickering or buzzing like fluorescent bulbs. They are ETL Listed for damp location installation and ENERGY STAR Certified. Color: White. Material: Aluminum.