Spider Farmer Glow30 32W Supplemental Full Spectrum LED Grow Light BarsDescription Under Canopy Supplemental Coverage: Four 13 LED bars work effectively for under canopy or side supplemental lighting, providing expanded light coverage to areas that your primary grow lights struggle to reach. Optimize your grow build and boost plant yields. Sunlike Full Spectrum: Plant grow light bars can emit a broad full spectrum light, in the frequencies of 5000 5500K (white), 3000K 3500K (warm white), 650 660nm (red). This provides