They have two rows of LEDs on opposite sides of the center column. This field of light is not as uniform as we would like. But for the price I can understand that. They are brighter than the 3100K halogen bulbs that came with the car. Color pure 5000K. They flash when the light switch is in the off position. No problem, leave it on because turning off the engine turns off everything, even the cigarette lighter. They use so little power that the car computer tells you your headlights are burned out.
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