LKE LED Plant Grow Light For Hydroponic Garden Greenhouse(12W,E27, 3 Bands) Grow Light Bulb For Hydroponic Greenhouse Plants Constructed with 12 Ultra Bright LEDs(3 blue & 9 red) this grow light is PERFECT when your plant needs an extra boost of light. Whether it is raining, snowing or there is simply no sun- you can rely on the LKE LEDs grow light to keep your plant lit up. The red lights in the bulb assists with photosynthesis making the process much more efficient. Perfect for blooming and fruits. The blue light is needed by the chlorophyll and carotenoid part of the bulb which also helps with photosynthesis and is great for the leaves. Highest Efficient Hydroponic LED Grow Light, TaoTronics Plant Grow Lights E27 This led grow bulb has low power consumptionhigh luminous efficiency and long service life, the electronics inside are stepping down the voltage. the outside is constructed in a pure heat-sink fashion, It does not generate any noticeable heat even 17hrs a day. keeping your temperatures down perfectly.