Key features

• •【Brighter Than Stock Bulbs】Experience unparalleled brightness with a remarkable brighter increase over conventional stock bulbs. These Marsauto H4 Bulbs, equipped with high luminous efficacy chips, output 34,000 lumens of 6500K white light, offering enhanced visibility and safety during nighttime driving. The compact size and higher optical density ensure better light control, allowing you to see further and drive more confidently
• •【1:1 Perfect Light Pattern】Integrated with cutting-edge 1:1 light pattern technology and built-in ultra-thin 0.03-inch chips, these H4/9003 Fog Light Bulbs focus light precisely, extending further down the road while maintaining a clear cutoff line to prevent glare for oncoming vehicles. Enjoy a clear vision and safe driving experience
• •【Over 10 Years Long Lifespan】Engineered for exceptional durability, these H4 9003 Bulbs feature a built-in 20,000RPM high-speed silent turbofan, high-quality chips, and a unique hollow design on an all-in-one aluminum body. Enjoy over 60,000 hours of consistent, reliable lighting, reducing the need for frequent replacements
• •【5 Minute Quick Installation】Marsauto H4 Fog Light Bulbs are meticulously crafted to precisely match the size of your original bulbs, ensuring a seamless, plug-and-play installation experience. The all-in-one design eliminates the need for bulky drivers and additional harnesses, featuring a non-polarity plug-and-play setup that saves time and avoids installation issues. Enjoy hassle-free installation without the need for extra components
• •【Fit 99% of Systems】Marsauto H4 Light Bulbs are equipped with an intelligent IC driver, ensuring compatibility with 99% of the systems for error-free performance. However, for some sensitive cars, an additional decoder or anti-flicker harness may be required—contact Marsauto for assistance. Please verify compatibility using the user manual and bulb size before purchasing