HYNBYZJ 420W 120000LM LED Headlight Bulbs – Compatible with H7, H4, H11, H1, H8, H9, 9005 HB3, 9006 HB4, 90012 HIR2 – 6000K White Light, CANBUS Ready, 12V What is CANBUS? This feature helps resolve common issues after LED installation—such as bulbs not lighting up, flickering, one side not working, or incorrect dashboard warnings. It resolves the majority of compatibility errors on most vehicles. Note: Not compatible with certain high-end European vehicles. If unsure about compatibility, contact customer support before purchasing. Specifications: 1. 420W per pair (210W per bulb), brightness up to 120000LM per pair (60000LM per bulb) 2. Built-in double ball bearing cooling fan (12000 RPM) for rapid heat dissipation 3. Plug-and-play installation 4. Advanced thermal management system: copper substrate, dual pure copper heat pipes, aviation-grade aluminum housing, and active fan cooling 5. Non-polarity design prevents short circuits caused by incorrect plug orientation 6. Built-in decoding function (some vehicle models may still require an external decoder) 7. Instant start-up 8. IP68 waterproof and dustproof rating 9. Rated lifespan: 100,000 hours 10. Intelligent temperature control system automatically adjusts current based on real-time temperature to prevent premature failure 11. Adjustable retaining ring for optimal beam alignment (360° adjustment for H1, H3, H4, H7; 320° for 9005, 9006, 9012, H11) 12. Up to 800% brighter than standard halogen bulbs 13. Operating voltage: DC 9–36V 14. Color temperature: 6000K (cool white) 15. LED chip type: 5570 CSP 16. Some vehicles may require minor adapter adjustments to achieve proper beam pattern