About this item RIGHT SPECTRUM OF LIGHT FOR PLANTS: These LED lights are for all stages of growth (germination, growth, reproduction, pollination and seed spreading), providing a wide light spectrum to encourage healthy plant growth and more yield. VERSATILE: SYLVANIA grow LEDs are ideal for your indoor garden, vegetable, herb, flowers, and hydroponic systems. These are damp rated for high humidity use. Low heat emissions allow for placement close to plants with no leaf burn. ENERGY SAVINGS: 3-4 times energy cost savings over comparable fixtures. SPECTRUM: SYLVANIA LED Grow Lights provide a wide spectrum of blue, yellow and red light from 400nm ֠730 nm. Vegetation (blue spectrum 400nm ֠500nm), Pre-Flower (yellow/red spectrum 500nm-600nm, photosynthesis), and Ripening (620nm ֠730nm). WARRANTY: Our LED Grow Lamp is backed by our standard 3-year warranty - satisfaction guaranteed.