Actual Power Consumption 640W±5% 450W±5%. THE FEATURES 640W LED GROW LIGHT. Coverage Flower Coverage: 4'X4', Veg Coverage: 5'X5' Flower Coverage: 4'X4', Veg Coverage: 5'X5'. This full spectrum LED Grow Light uses 2592 pcs upgrade SMD lamp beads (3000K, 6500K and 660nm).