With strong technical, scientific and cultural foundations, the CIE is an independent, non-profit organization that serves member countries on a voluntary basis.

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Since its inception in 1913, the CIE has become a professional organization and has been accepted as representing the best authority on the subject and as such is recognized by ISO as an international standardization body.

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Extreme LED’s All Amber LED Light Bars enhance visibility in challenging weather conditions like dust, rain, and snow. The slim profile and sleek design are perfect for installing in your bumper, gril...

In general, an LED light bar that is worth purchasing is one that is built to last thousands of hours, provides a large amount of light without drawing too much power, and is one that you love the loo...

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We are delighted to announce the release of the Proceedings of the 30th Quadrennial Session of the CIE: Innovative Lighting Technologies, held in Ljubljana, Slovenia from September 15-23, 2023!