【200% Enough Brightness】The LED bulbs offer 10,000 lumens as two pairs at a cool 6,000K color temperature, while rated at 25 watts per bulb. 8 LED flip-chip on every side, large light-emitting area to maintain high light efficiency. The brightness is 200% of that of halogen. Escort your night driving. 【Perfect Beam Pattern】To ensure you get perfect beam pattern, these bulbs use a 360° adjustable locker ring, upgrade LED flip-chip and 1.0mm ultra-thin centered light emitting. 【30000 Hours Lifespan】Each bulb has a built-in 25MM hydraulic fan (10,000RMP per minute), 6 series aviation aluminum wraps the whole bulb, and the wick is made of copper substrate, which increases the heat dissipation efficiency of the entire bulbs by 30% and obtains 30,000 hours of service life. 【Plug-and-Play】The bulb adopts a driver built-in solution,1:1 size ratio with the halogen to prevent the problem of insufficient installation space and incompatibility with the size. 【Warranty Tips】45 days return and exchange, 1 year warranty. We provide installation and after-sales service in California. Tips: The bulbs work with about 99 percent of vehicles without any error, although some Japanese vehicles (DRL may flicking due to low voltage) will require an additional CAN bus decoder.