iPower GLLEDXA180CUFO Multi-Spectrum LED Grow Light for Plant Growth and Flowering , 180-watt Energy efficiency and environmentally friendly. Save up to 80% in energy consumption compared to fluorescent tubes, HPS, and MH lighting. 95% of the LED's light is absorbed by plants Lasts up to 25 times longer than incandescent bulbs (50,000 hours) Latest technological innovation in indoor plant growth. Produces the highest lumen output at the lowest wattage. Ideal for hydroponics, horticulture, or the everyday greenhouse garden No Additional Cooling Equipment Required. Warranty: 2 year