Dual Color Switchback Turn Signal Lights for socket 3030 7440 7441 7443 W21W(Pack of 2)

  • Each bulb powered by 16 pcs high power 3030 Led chips, low power consumption but high light output.HD glass lens for stronger light penetration
  • The turn signal flashes "amber-off-amber-off" instead of "amber-white-amber-white" much easier to see. ( Most switchback bulbs in the market flash amber-white-amber-white )
  • DC 9V to 18V wide-range voltage design, built-in constant intelligent IC driver, no digital and VHF radio signal interference.Aluminum circuit board, highly effective heat dissipation
  • Plug and play easy installation, no polarity design, compatible with both standard and ck socket. Fit socket 7440 7441 7443 7444 992 WY21W W21W etc. The 50w 6ohm load resistor or flasher relay may be needed to prevent the hyper flash or the bulb does not blink
  • Amazon filter system may not be 100% accurate, The bulb size may vary between the trim of your vehicle. Please double check owners manual or original bulb size to confirm before placing an order. We offer 12 months warranty on item(s) damaged during the shipping or confirmed to be a manufacturer defect. Friendly customer service responses within 24 hours on business days

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