Feature●☆ Cross Reference Number: T20, 7440, 7441, 7442, 7443, 7444, 992, 7440A, 7440ALL, 7440NA, 7440LL, 7440ST, 7442NA, 7443A, 7443LL, 7443NA, 7443ST, 7443-CK, 7443-SCK, 7444NA, W21W, WY21W etc. Note: This led bulb is NOT Canbus error free for all vehicles.●☆ High Brightness: Each bulb has 12pcs High Power 3030/1W & 8pcs High Power 3030/2W chips,amber yellow,1800LM per bulb, 3600LM per set, 300% brighter than halogen bulbs.●☆ Easy Installation: Just plug & play.Meticulously engineered beam angular,brighter superior lighting results than the original halogen bulbs.●☆ 360° illumination: Perfect beam pattern, no dark spots, no glare to other drivers. The bulbs on/off response time is just 0.1s, no delay, safer and more reliable when you turning.●☆ Double Heat Dissipation: Whole aviation aluminum lamp body and hollow out body design. Aluminum alloy shell acts as radiant heat sink, ensure the secure temperature range.Wide voltage & constant current provide up to 50, 000 hours.Description