2 quantum board layout linear linkable designed Grow Light. • Full-Spectrum for Better Yields and Results • Reliable Passive-Cooled Design • Better Canopy Light Penetration with Un-Diffused Light • Meanwell 5 Year Warranty Power Supply Included • Samsung Full Spectrum Chips • Full Spectrum Chips 4000k • Extra Red 660nm • High-Quality PB with Optimal Copper • 3 Year Warranty on Samsung LED Chips • Easy Installation Mounting • Mounting height 30cm-55cm above canopy • Specification on Chip • 1152 x Full Spectrum 3030 LED Chips and 32x 3535 High