Alla Lighting 4257NA 4257 Switchback Bulbs LED Turn Signal Lights Super Bright 12V Dual Color 6000K White (DRL/Parking)/Amber Yellow(Blinker) Upgrade

(Set of 2) Each 4257 4257NA LED switchback bulb is equipped with high illumination and performance 3020-SMD LED chips with projector lens.. Important notice: Extra LED resistors maybe required to avoid the signal hyper flash or fast flickering due to led bulbs draw much less current than stock lamp. Light up 6000K white for parking lights or daytime running lights as low intensity light output mode. Light up amber-off-amber-off for turn signal lights instead of amber all the time to make more noticeable for high intensity light output.. Compatilbe with both CK/SRCK and standard socket, no need worry about the socket type any more. Built in smart IC driver for better current control and longer lifespan.. Cross Reference Number: 4257, 4257NA, 4257NALL, 4257NAK, 4257AK, etc.. Fully one year warranty covered, hassle free return for refund within 30 days and best professional customer support. Used for upgrade OEM incandescent W2.5*16q D.F. wedge base blinker lamps replacement for better vision and safer driving.