SUPERNIGHT Aluminum Case High Efficiency E27 LED Plant Grow Light 5W Energy Saving Bright LED Light Bulb for Indoor Plant Growing With standard E27 socket, easy to install. Suitable for use with all foliage, flowering and food producing plants. Use for hydroponic growing, starting seeds and growing indoor potted plants in homes, offices, greenhouses, and for use with hydroponic grows. Energy saving, can save about 90% power than the traditional plant lights. The red and blue led lights can help accelarating the growth of plant, prolong the flowering phase, and increase the output. Durable aluminum shell, makes the light cool faster and can work better.