【Built in Resistor Design】Super compatible for 99% Vehicles.These 7443 switchback LED bulbs with built in resistor no hyper flash, no errors, no warning. With built-in 2024 CANBUS system, these 7443 switchback LED bulbs can directly alleviate decoding problems without trouble to prepare external resistors. 【3200LM Super Bright】Each CANBUS ready 7443 switchback LED turn signals bulb is 32w, 3200lm, truly 1000% brighter than halogen bulb.Equipped 52Pcs 2024 Upgraded high brightness 3030SMD chips precisely around each error free 7443 led switchback turn signal bulb,achieve 360°lighting angle without dark spot or shadow. 【Dual Color Function】Evntyps amber/white dual color 7444NA LED bulb lights up cool white for parking lights or daytime running lights (DRL) but amber yellow for turn signal lights.The dual function only Works when your orignal bubs support both the parking light/DRL function and turn signal function in one socket, otherwise this anti hyperflash 7443A LED turn signal lights bulb will only light up with a amber yellow turn signals. 【5-Layer Cooling】IP68 waterproof and dustproof. The 7443A switchback led turn signals with resistor built-in 2024 stable current IC driver avoids digital or VHF radio signal interference. This 7443 switchback led turn signal lights bulb equipped with 2024 latest cooling system - Intelligent IC control for heat dissipation + 14,000RPM silent turbo fan + aluminum cooling ring + 6063 aviation aluminum lamp body + plug heat dissipation hole directly doubles heat dissipation, ensuring longer lifespan up to 60,000 hours. 【Applicable Bulb Models】7444 switch back led turn signal bulb compatible for 𝐔𝐒 𝐬𝐭𝐚𝐧𝐝𝐚𝐫𝐝 𝐬𝐨𝐜𝐤𝐞𝐭𝐬 𝐨𝐧𝐥𝐲.This 7443 led bulb fit socket:T20,992,7443,7443A,7443K,7443NA,7443LL,7443ST,7443NAK,7444,7444NA,7444NAK,7444LL,7441,7442,W21W,WY21W,W21/5W,WY27/8W, etc. No polarity, no drilling, no wiring, no damage, just Plug and Play. If any questions or flashing issues, please message us for free solutions. 【𝑵𝑶𝑻𝑬】:Please follow the Amazon fitment guide instructions to purchase and use. If Amazon fitment tells you that this bulb does not match your car, it means that the 7443 LED blinker bulb does not match your car's socket, and it is also possible that it will hyper flash on your car or give you an error code after installation.If there has any questions or issues, please contact us via Amazon Buyer Message and we will provide you with a satisfactory solution. Upgrade your vehicle's turn signals with Evntyps high-quality 7443 switchback LED turn signal bulbs! With 3200 lumens of brightness and 52pcs of high power 3030 LED chips, they're 1000% brighter than halogen bulbs and offer a dual color function with white amber switchback capabilities. Our bulbs are CANBUS ready and error-free, ensuring anti-hyper flash and no radio interference. They're also equipped with a built-in resistor and 5-layer cooling system, including a turbo fan, to ensure a long lifespan of up to 60,000 hours. Installation is a breeze, taking only 5 minutes thanks to their non-polarity and plug-and-play design. Our bulbs are waterproof with an IP68 rating and fit 99% of vehicles, including popular models like the Toyota RAV4, Nissan Altima, Chevrolet Silverado, Honda Civic, Toyota Camry, and Nissan Rogue. Upgrade your turn signals today with our reliable and high-performing LED turn signal bulbs!