Optimum plant growth with higher yields. The color spectrum is designed to promote photosynthesis: Red - 77.1% / Blue - 22.6% / Green - .3% Nanometer Ranges: Red - 600-699 / Blue - 400-499 / Green - 500-599 Cool operating temperatures for easier ambient air temperature control. Dimmable: 0-10V Dimming All aluminum construction. LED chips are potted with high temperature silicone epoxy. Lightweight design for easy installation and re-location as desired. 10 foot (3 meter) 120V cord set included. Easy mount V-hangers included.