Led World 150W 6000-6500K Cool White High power LED Energy Saving Lamp 12000LM 38-44V Chip connecting mode: (12 in series and 12 in parallel, actual power 144W.) 150W 6000-6500K LED white DC Forward Voltage (VF): 38.0 ~ 44.0 Vdc DC Forward Current (IF): 3.6A Viewing Angle: 140 Degree