Auto Gluberry OG Beginner first grow

Real power draw is what matters, light power does not exist it's just marketing crap. Anyway, you need 30 to 40 led watts per sq ft. So, for a 4*4 tent you have 16 sq ft, which needs 480 to 640 watts. Both LEDS give you a total of 260 watts, at most it covers an area of 260/30=8.6 sq ft roughly a 3*3 tent.