Commercial Indoor Horticulture LED grow light is designed to replace a 600 watt HID with just 330 Watts. Each HLG 350R uses 2 of our custom designed full spectrum high efficiency Advanced Diablo™ Quantum Boards® with Samsung Full Spectrum White & Deep Red . With a rectangular footprint this fixture is ideal for flowering in smaller grow spaces or vegging in a commercial grow. This incredibly efficient full spectrum horticulture lamp has an efficiency of 3.11 PPF/W. This lamp has a new improved spectrum with a broader blue wavelength. Please contact us for different wattage cord options.