Detailed Product Description 50WATT High power LED warm white 3200k 80-90lm/wProducts Description Input Voltage:DC31-35VCT:3200KLED Luminous Efficiency:80-90lm/w 4000-4500lumensBeam angle:130CRI:Ra>75Operating Temperature:-20-40 dScope of application:Streets, high ways, highbridges, huge crossedbridges, squares, communities, etc.