Plant Growing Lights, Souldio&trade; LED Grow Lights Plant Growing Lights 12W E27 Growing Lamps Perfect for Garden, Green House, Hydroponic Plants and Indoor 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 LED grow lights to keep your plant lit up. It emit the wavelength of light which can be fully absorbed by the plants photosynthesis; 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, good for the photosynthesis, best for promoting the leaf. Designed with the finned heat-sink, it does not generate any noticeable heat even 17hrs a day, so it won't hurt your plant. Maintenance Free: no bulb replacement with energy efficient LEDs; easy to set up and use, standard PAR38 shape with E27 base. No special lamp needed, a desk lamp will do. We guarantee 24 hours friendly customer service,30 days money back and 1 year warranty.