مقایسه لامپ های led

I was asked to do a comparison video on various LED headlights from American made to those from overseas. I tested the light intensity, color temperature and beam pattern of four different types of bulbs. Here are the test results: OEM Halogen Bulbs: This was the original headlight on my motorcycle 320 foot-candles 3000 Kelvin (yellow portion of spectrum) H11 LED replacement bulbs: 640 foot-candles 6000 Kelvin (pure white light) Adjustable beam pattern I got these from LED Factory Mart in

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