【Full Spectrum&High Efficiency】28pcs High-efficiency Epistar SMD5730 LED Chips: 15 Red+7 Blue+1 IR+1 UV+2 Daylight+2 Warm White. Contains all wavelengths 380-730nm required for plant growth. Reasonable ratio of red and blue light, provide the most efficient wavelengths of light to enhance photosynthesis performance hence improving plants' healthy growing. Add extra sunlight to the plants, stipulate the photosynthesis; help shorten the growth cycle, improve the health of your plants. 【Energy Saving】These bulbs are small but powerful, 28 Watt equivalent and actual power consumption just about 6~9W, saving your 75% electricity bills each month. Note: Grow light's wattage is too high, it is easy to cause small and medium-sized burns, so you can't blindly select large wattage grow lights when purchasing. Grow lights should be purchased according to the needs of the plants. 【Scientific Exterior Design】Build with heat-sink metal aluminum and design by turbine type cooling structure,