Vankey Hydroponic LED Grow Light,Tri-Band Spectrum Plant Growing Light Lamp, E27 12W, 12 LEDs, 3 Blue/9 Red For Garden Greenhouse Artificial Sunlight For Better Growth: 12 LED PLANT LINGHTS (9 red & 3 blue) in precise arrangement to improve Growth across all plants and vegetables. Ultra bright by 1W/LEDs and can really helps when the plant need extra boost of light, or a few of sun, raining, snowing, dark indoor etc. High efficiency & Energy Saving: This PLANT GROW LIGHT has low power consumption, high luminous efficiency and long lifespan which has a built-in driver. LED BULB has a lifespan up to 50,000 hours. Designed with the fined heat-sink to keep high intensity temperatures at the appropriate level for plant growth and protection. Low power consumption as light is fully absorbed by plants. Refined Light Wavelength: The GROWTH LIGHT emits the wavelength of light which can be fully absorbed by the plant's photosynthesis. 460nm is the peak wavelength for producing Chlorophyll and Carotenoid, necessary for healthy leaves, so blue light is good for stem and leaf growth. 660nm is the peak wavelength for photosynthesis and photoperiods, so red light is best for flowering and seed production. Easily Use & Suitable Distance: This GREENHOUSE LIGHT is designed to fit standard E27 socket,no special lamp needed. The best distance between the GROW LAMP and the plant is 1.64-3.28ft. If no sunlight totally, the best using time is 8-16 hours which depends on the specific plant. The light is suitable for 1-2 square meters area, such as balconies, darkroom and so on. Rapid Growing Speed: Vankey LED GROWING LIGHT can rapidly improve the health of plant and growing, generally more leaves popping up within 2 weeks of using this growing lamp on a daily basis. Perfect LED GROW LIGHT for Hydroponic Garden and Greenhouse Use.