... conductive adhesive,so that avoiding effectively high centralized heat source,extending the lifespan3. Do replacement: LED 9W, 12W, 18W, 25W, ... , so that in this voltage range lamps no flicker, low noise6. No harmful radiation and no hazardous metals: LEDs ... mercury contained in mercury lamps3. Pictures of high output downlightKOXIN in HK Fair SMD5630 8inch (203mm) 35w 3150lm LED high output downlight