Why do we use orange light in the street? by Erin Chen quora.com/Why-do-we-use-…

Do you know it ? quora.com/Why-do-we-use-…

Does color exist if there is no light? by Erin Chen quora.com/Does-color-exi…

Do you know how to see the true colors with the best artificial light ? xedlight.com/All-products/c… quora.com/Does-color-exi…

How could street light be improved ? you can find the answer here. xedlight.com/All-products/x… quora.com/How-could-stre…

How to see the true colors with the best artificial light ? quora.com/Does-color-exi…

XED Intelligent Street Lighting, Smart City youtu.be/6IC5QekFAn0 来自 YouTube

4200K XED Light CRI 97.36Ra Luminous Efficacy: 108.71lm/w lnkd.in/fy2daaM lnkd.in/fsFQ4Xj

4200K XED Light CRI 97.36Ra Luminous Efficacy: 108.71lm/w xedlight.com/All-products/c…

XED Low Bay Light with high CRI. >95Ra, high lighting efficacy 108lm/watt, 360 degree lighting, super energy saving, and super long lifetime >30,000hours. Learn more at: xedlight.com/All-products/x…

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500W XED Grow Light (vs) 600W HPS (vs) 660W LED COB These plants are growing in the same conditions except with different lighting, so far the pants under XED Light looks grow better and more healthy. XED light is... facebook.com/XEDGrowLights/…

Scientist of America with 40 years grow experience is starting testing XED grow light

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do you like our new 500watt XED grow light kit ?

what is XED light ? XED is short for ‘Xenon Energy Saving Discharg Lamp’, XED Light with full light spectrum like sunlight, it is the best artificial lighting source so far. xedlight.com/blog/post/what…

What is light spectrum of different UV lights ? Life on earth has evolved with sunlight for billions of years. UV light is an indispensable part of the growth, life and reproduction of life on earth. xedgrowlight.com/blog/post/what…

What is the light spectrum of different visible light sources ? xedlight.com/blog/post/what…

What are the working principles of different artificial light sources ? xedlight.com/blog/post/what…

HID VS LED ? The working principle of HID lamp and LED are different, the light spectrums of them are different, both of them have advantages and disadvantages, let's check of them deeper and understanding better. xedlight.com/blog/post/hid-…