The GIB Lighting Growth Spectrum Advanced 600W MH lamp with blue light is perfect for the growth phase. This light spectrum increases the efficiency of the photosynthesis process during the vegetative growth of the plant. The 600W lamp works with a mains voltage of 220-240V. It has a high PAR value of 600 μmol/s and achieves an excellent light intensity of 48000 lm and a light output of 80 lm/W.