CLEARANCE Sale, FREE $19.9 eye protect glasses for every purchase, use code SALE25 to get EXTRA 25% OFF. http://bit.ly/2ZruKhA • The lights provide different wavelength which can be fully absorbed by the plants. • Can be placed above the plant directly, promote the plant growth, budding, flowering, promote plants photosynthesis. • Different wavelength of light is different for the influence of plant photosynthesis. Red light wavelength is 625nm-630nm , 650-660nmblue wavelength is 440nm-470nm. In the visual effect, red blue combined LED plant grow light appear pink. • Blue light be beneficial to plant photosynthesis, can promote green leaves growing, protein synthesis,fruit formation. • Red light can promote plant roots growing, be helpful for flowering, fruit and extend the flowering period, play a role to increase production. • Red and blue LED ratios of this LED plant grow light is 5:1. •Fan-cooling systems with great heat dissipation. •LED plant grow light can replace 3-5 times power traditional high pressure sodium lamp etc, save 80% of the electricity. Follow us: Email: [email protected] Facebook Page:https://www.facebook.com/ecofarm.ca/ Instagram:https://www.instagram.com/ecofarmgrow... linkedin:https://www.linkedin.com/company/eco-... Website: https://www.growpackage.com/收起