Description: This listing features one pair (2 pieces) extremely bright high power dual color white/amber LED switchback Lights bulbs especially designed for car turn signal lights. Specification: LED Type: Each bulb contains 4014 led chips Warranty: "2 YEARS"guaranteed. Light up Xenon white for parking lights or daytime running lights.Light up Yellow for turn signal lights 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 ) Cross Reference: 7443 7444 7441 T20 7443A 7444NA,etc.double-filament bulb.The brightest switchback bulb in the market The bulbs equipped with constant-current driving and Aluminum Circuit Board. Fast thermal diffusion ,heat-resistant, no digital and radio signal interference. Applications: turn signal light/Daytime Running Light/Parking Light It is perfect for customers who are looking for Extremely Bright output. Package included: 2 x White Amber Turn Led Lights