Product: AUXITO White and Amber Dual Color Switchback 3157 3155 3457 4157 LED Bulbs with Projector 3030 Chipsets for Car Turn Signal Lights Parking Lights, (Pack of 2)
Brand: AUXITO
Color: White/Amber Yellow Switchback
Each 3157 switchback 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 3157/3156 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 )
9V to 18V wide-range voltage design, built-in constant intelligent IC driver,no digital and VHF radio signal interference. Aluminum circuit board,high effective heat dissipation
Plug and play easy installation, no polarity design, compatible for both standard and ck socket. Fit socket 3157, 3157A, 3057, 3155, 3157NA, 3357, 3457, 3457A, 4057, 4114, 4157, etc
Note: These will only work for dual function lights that have both the parking/city light and turn signal function in one bulb. The 50w 6ohm load resistor or flasher relay may be needed to prevent the hyper flash or the bulb does not blink, we have included the resistors in the package in case you need it

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