PHOTOBIO MX 680W 100-277V S4 spectrum w/ iLOCProduct Details Extraordinary performance. Extreme efficiency. Exacting design. The PHOTOBIOMX changes everything. We took a step back, evaluated all the fixtures on the market, and then set out to do things entirely different. The result is a 680W fixture delivering 15% more light to your canopy, using 35% less power than a 1000W DE fixture. Increase yields while driving down operational cost. The spectrums were developed in a private research