... attenuation 4.CE&ROSH led bulb, led bulb light, led bulb lamp, led light bulb, led bulbs, led lamp bulb, high power led bulb, led lamp bulbDetail Description of led bulb:model number ... degradation: 3% - 5%1kh9. Lifespan: 50,000 hours 10. No UV or IR radiation enviromental protectionSPECIFICATIONLED quantity3PCSPower3W, 4W, 5W, 6W, 7W ...