... 5. Certificate: CE & RoHS, Lifespan: 50,000h T8 SMD3528 8W LED Tube light ItemSymbolL=600×28Reted PowerW9WLED QtyPcs48Luminous FluxLmTyp.396Luminous EfficacyLm/WTyp ... /Above>70%Life TimeHours30,000~50,000 HoursNote:1.LED Chip:Use super bright chips from Taiwan chip,low ... attenuatin process encapsulate SMD LED.Color temoerature:Warm white(3500K),Pure white(6500K),Cool ...