1.100% Korea samsung chip 2.CRI>Ra82,85lm/w the finish lamp 3Dimmable by ... dimmer 4.6063 CNC aluminum 5.3 years warranty 5w samsung downlight Features:-Use SMD5252 led, built-in Zener-2.5inch ... ,Use Aluminum base, very good heat sink2.Use 100% samsung and sharp chip imported from Korea and Japan3. Constant current drivers4. No ...