LED Miner's Lamp 1.High bay superior LED chip 2.Above 50,000 hours lifetime ... cer LED Miner's LampA. About Product:1)High quality CREE/Epistar/Guanghong LED Chip, high light efficiency,low temperature,high CRI2)Constant current ... isolation power,light spread material, above 80% light transmittance3)high efficient energy saving ,long lifespan above 50000 hours4)Healthy,low ...