♪ Super Bright 7443 T20 W21W 992 LED Bulbs: High Power 3030-42 SMD led chips, 12V working voltage.360 degree beam angle, 300% brighter than halogens.Assuring you will be seen more clearly and from further away during daytime and night, providing other drivers more time to react. ♪ 2 Pack 7443 CANBUS Error Free Led Bulbs: All in one error free 2 Pack 7443 led light bulbs, will not hyper flash, which built in resistor module. But Some vehicles need to add extra load resistors. Note: if your car has flashing, please add 50W 6-Ohm load resistors or flasher relay. ♪ 7443 Led Bulbs White Amber Application Reference : 7443 7443LL 7443ST T20 7442NALL 7443ULL 7444LL 7444NA 7444NAP,etc. ♪ Excellent Features: Aluminum faster heat dissipation.Built in Constant current IC and high power drive circuit(aluminum base plate).No digital and VHF radio signal interference. LED chips have stable luminescence and long lifespan (30,000+ Hours). ♪ Plug and Play: Easy to install, just plug and play. 7443 white amber Led bulb switchback Light up xenon white for side light; Light up amber yellow for turn signal lights.Polarity sensitive: If the bulb does not illuminate, remove the bulb, rotate it 150-degrees, and then re-install into the socket again. And then test to ensure proper function. 7443 LED Bulbs White Amber Specifications:7443 Led Bulbs Lights up xenon white for side light; Light up amber 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. Socket Type: 7443 T20 992 7505 W21W 7444NA (Please check your socket before buying, thanks.)Working Voltage: DC12VConsumption Power: 20W per BulbLed Quantity: 3030-42 SMD(37 amber + 15 white)Polarity Sensitive: YesError free canbus: YesLight Color: Yellow/AmberHousing Material:Aluminum AlloyLifespan:30,000 hoursWarranty :1 yearFeatures:100% Brand new and high quality!Extremely long lasting lifeUltra bright and durable bulbsEasy Plug & Play to installationBest replacement for Turn Signal LightPackage included:2 x 7443 LED bulbs