Watts:cree high power 36*2w=72wInput voltage:AC100-275VLamp flux:5000lmPower Efficient:0.95Color Rendering Index (CRI): 80Correlated Color Temperature (CCT): 6200k -6500k.Certificate of lamps:CELuminaire should be constructed of a one-piece cast aluminum alloy.Lens made of a clear single piece UV stabilized prismatic polycarbonate.Constant current device with a high-power factor correction to maximize power utilization..