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Commercial High Power Outdoor LED Flood Lights Replacement 200 Watt for Billboard Lighting Description: 1. Using COB LED as lighting source 2. Energy saving 3. High efficiency 4. Good heat dissipation design ensures the low temperature 5. The light efficiency is 100lm/w 6. Longer lifespan, over 30000 hours. 7. Designed with moisture vales, to balance the air presure in and out of lamp 8. High efficiency thermal conductivity silicon can ensure the heat sink of the light 9.