1.high power efficiency 2.energy saving and ... and RoHS 2013 high brightness led high bay light in competetive price1, Product DescriptionThe LED high bay lights of our ... , which has high thermalconductivity, low lumen decay, pure light color, with no flickering and no ghosting phenomenon, thusreaching ... is used to ensure the life-span of the light source. With the integration of lamp bodyand heat sink ...