They're nice and thin and seem very beneficial at first glance, but they take about half a second or more to fully ignite when powered , and they always work very well. a succession of faint flashes before they light up. Regardless of what pattern or steady light is programmed, they will always flash briefly and not be at full brightness when the unit is turned on. Because of this delay, they cannot sync with other lights that use turn signals or stock turn signals, hazard lights, reverse lights, or brake lights.
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