... attenuation 4.CE&ROSH led bulb, led bulb light, led bulb lamp, led light bulb, led bulbs, led lamp bulb, ... internal copper heat conductor and external aluminum housing5. Light source: High power led 3W, 4W, 5W, 6W, 7W, 9W6. Luminous flux: 100 ... . No UV or IR radiation enviromental protectionSPECIFICATIONLED quantity3PCSPower3W, 4W, 5W, 6W, 7W, 9Wbeam angle>120SizeDia 60*95mmCRI80Input voltageAC100-240V ...