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3157 21 LED Headlight Bulb Switchback Style
*Some newer vehicles may require a Load Resistor or Ground LED Flasher due to hyper flashing (Not Included)
These LED Bulbs feature new Switchback Technology! meaning these LED lights with illuminate a white LED when the headlight is switched on, and a amber LED when the turn signal is activated. This LED light comes with the brightest turn signals on the market! and also with a new unique dual color LED chip that will allow all the LEDS to turn on at the same exact time.
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Full 1 year warranty on headlight bulbs, canbus ballast, and fan.