Atreum Lighting VELA 320W LED Grow Light uses Samsung LM301B SK Bin + Osram 660nm diode. VELA 320W grow light achieves high energy efficiency of 2.6umol/J. The power consumption of LED grow lights is only 320W. Vegetable coverage: flowers: 2 x 4 feet. Fully waterproof (IP65) design allows operation in wet environments. It is also very energy-efficient and suitable for horticultural applications. Plant growth lights are designed for indoor growers. The plant growth lights are designed to help individual indoor growers and greenhouse growers get higher yields and better quality within their budget.