Full Spectrum: 28PCS High Output Epistar 5730SMD LED Chips: 15 Red +7 Blue +1 IR + UV +2 Daylight + 2 Warm White, Easy to install on any E27 or E26 screw socket. High Output: Provides the most efficient wavelengths of light to enhance photosynthesis performance, thereby enhancing healthy plant growth. Add additional light to plants, stipulate photosynthesis; help shorten the growth cycle, improve the health of your plants quickly. Energy Saving: The bulb is small but powerful, 30 watts Equivalent and actual power consumption just about 6~ 9w, saving your electricity bills. Aluminum Housing: Build with heat sink aluminum keeping high temperatures at proper level for plant growth and protection. Multi-purpose: Widely used in greenhouse and indoor plants, flowers, hydroponic systems and growing vegetables, corn, in the dark, rainy, snowy and winter day, to provide sunlight extra, supporting photosynthesis.