High quality led grow lights. Save 70% - 90% electricity cost! low power consumption! low heat! no uv, ir, lead or mercury. 1. 95% energy of leds can be absorbed by plants, but only 10% by hps or mhs 2. It saves 70% to 90% in energy consumption compared to fluorescent tubes, hps or mhs 3. Low heat generation. Reduce grow room temperature 15 degrees compare to hps or mhs 4. Nearly no maintaining. 5. High power led estimate to last 50, 000 hours