【HUGE IMPROVEMENT】- Yorkim 7443 LED bulb is built with 33-SMD 2835 LED chips, 300% Brighter than halogen bulbs, provides lots more light when going in turning | 【EASY INSTALLATION】- The width of this 7443 led bulb is smaller than halogen bulb, makes it easier to intall, just remove the original bulb and insert this 7443 LED bulb, plug and play in 10 minutes, no different than installing a normal bulb | 【FITMENT】- Fit for 7443 7440 7440A 7440NA 7440SV 7443NA 7441 7443R 7444 992 WY21W W21W ect, replacement for Turn Signal Lights, Blinker Lights, Tail Lights, Side Marker Lights etc. Extra load resistor might be needed to solve the hyper flashing. | 【LOW CONSUMPTION】- Voltage: 9-30V. Total output: 3300 Lumen. Watt: 3.6W per bulb, only 1/5 energy consumption of original bulb but 3 times brighter. Full Aluminum Housing with Projection lens for Maximum Light output, Built-in smart IC driver for constant current and better heat distribution | 【PLS NOTE】- The bulb size may vary between trim of your vehicle, Please confirm the bulb's size or check owner's manual to verify compatibility before purchase. Any problem, please feel free to contact us, we are always here to service for you