goLEDgo Dimmerable LED Plant Grow Light Strip 16FT 5M 300 LEDS 5050 SMD Waterproof R/B 8:1 DC12V,with Finished DC Head and Power Supply,Plug and play,Brightness Adjustable Plus DIY Kit goLEDgo led Plant grow light has low power consumption, No heat and no cooling fee, and electricity bill is so few to be neglected; High luminous efficiency and long service life in about 50,000 hours, run 20 times longer than inefficient incandescent grow lights, at least 10 times longer than those CFL bulbs. goLEDgo led Plant grow light is ideal for massive growth and flowering of vegetable in home or commercial gardens, can improve plant's health quickly. goLEDgo led Plant grow light is environment friendly, no mercury. Not like CFL bulbs that are full of mercury and slow to start. These growing lamps emit the wavelength of light which can be fully absorbed by the plants photosynthesis; 90% energy efficiency vs only 10% light absorption from fluorescent, incandescent and CFL bulbs grow lights. 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. Dimmerable,Brightness adjustable,Professional Plant grow bulb in goLEDgo