Easy2Grow LED Grow Light bulb, High Efficient Hydroponic Grow Plant Lights for Organic Greenhouse and Growing indoor. Full Spectrum for perfect results. SATISFACTION GUARANTEED  24 Months WARRANTY. experience with THOUSANDS of satisfied customers and 24/7 customer support. IMMEDIATE RESULTS  This grow light can rapidly improve the health of plant and growing, generally more leaves and fruits popping up within 2 weeks of using this growing lamp on a daily basis. Easy2Grow growing lighting is designed to fit standard E27 socket, brilliant all metal housing, Easy to set up and use - no special lamp needed, a desk lamp will work great TARGETED SPECTRUM  These growing lamps emit the wavelength of light which can be fully absorbed by the plants photosynthesis; no energy waste like fluorescent lights etc. 660 and 430nm; 630 and 460nm are respectively 4 peaks of growth spectrum for maximum chlorophyII A and B production. Sources rich in red light are more efficient and beneficial for photosynthesis, best for blooming and fruit .The Chlorophyll and Carotenoid need blue much, best for promoting the leaf ENERGY EFFICIENT  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. PERFACT COMBINATION  Easy2Grow hydroponic led plant grow light have 12 LEDs (4 blue, 6 red, 2 purple), ultra-bright. Really helps when the plant need extra boost of light.