Extremely Bright Switchback LED White/Yellow Bulbs with Projector 3030 Chipsets 3157 3157A 3057 3155 3157NA 3357 3457 3457A 4057 4114 4157 For Turn Signal Lights

? Fits: 3157 3157A 3057 3155 3157NA 3357 3457 3457A 4057 4114 4157 etc ? Color:White/Yellow (amber-white-amber-white),Dimension (inches): 0.85 in diameter, 2.51 in length ? The bulbs equipped with constant-current driving IC and Aluminum Circuit Board. Fast thermal diffusion ,heat-resistant, no digital and VHF radio signal interferenc ? The 50w 6ohm load resistor or flasher relay needed to prevent the hyper flash or the bulb does not blink. ? Compatible for both standard and ck socket .The turn signal flashes "amber-off-amber-off," instead of "amber-white-amber-white," which makes it easier to see.( most switchback bulb on the market flash amber-white-amber-white )