| size | 32.9mm*78.3mm | Model |
Single light: H1/H3/H7/H11/9005/ 9006/9012/D2/D4 Double light: H4/9007/9004/H13 |
| Power | 150w/pair | Cooling system | Two copper tubes with Aluminum heatsink & turbo-cooled fan |
| Lumen | 15000lm | Canbus Function | YES, Built in EMC |
| LED Chip | 3570 CSP 12cores | Waterproof | IP68 |
| Voltage | 12V | Lifespan | 50000hours |
| CCT | 6500K/4300K | Warranty | 2 years |
| Material | Zinc alloy | Customize | Power+Logo+Packing |
R21 — The Elegant High-Efficiency LED Headlight Bulb of Redsea
The R21 Car Headlight represents the culmination of Redsea's engineering expertise and refined aesthetic craftsmanship. Built around a premium zinc-alloy housing with distinctive relief art detailing, it delivers an authoritative 150W and 15,000 lumens of raw illumination powered by advanced 12-core 3570 CSP chips. Backed by a high-efficiency dual-copper-tube cooling architecture and aerospace-grade structural integrity, the R21 achieves an impeccable balance of sustained lumen stability, rapid heat dissipation, and luxurious visual differentiation, establishing itself as a premier high-performance lighting upgrade for automotive distributors and private-label brands worldwide.
Premium Zinc-Alloy Craftsmanship with Distinctive Artistic Relief Detailing
The R21 establishes an unmistakable luxury identity through its die-cast zinc-alloy housing, sculpted with intricate classical floral relief artwork that redefines automotive lighting aesthetics. Moving far beyond generic, unbranded aluminum tubes, this heavy-duty metallic construction offers superior impact resistance, excellent vibration damping, and an exquisite electroplated finish that retains its luster in demanding under-hood environments. Paired with heavy-duty braided shielding cables, the R21 radiates premium build quality that immediately justifies flagship retail positioning.
12-Core 3570 CSP Chip Delivering 95% Light Efficiency and 15,000LM
At the heart of the R21 lies the latest third-generation 3570 CSP LED chip array, boasting a dense 12-core matrix on each side that marks a major technological evolution over early COB and standard 6-core beads. Achieving an extraordinary optical efficiency of up to 95%, this advanced semiconductor engine generates a concentrated 15,000 lumens of pure, high-density light flux with reduced energy loss. Its ultra-slim substrate accurately mimics original halogen filament dimensions, projecting a clean, focused beam with crisp cutoffs and no blinding scatter.

Engineered for High-Performance Road Brightness
The true measure of any headlamp is its effectiveness in real-world conditions. The R21 is calibrated not just for a high lumen number, but for delivering that light in a way that creates exceptional "road brightness." The optics and reflector are tuned to place a high-intensity beam pattern directly on the roadway, providing excellent foreground and mid-range illumination. This results in immediate visual feedback, better perception of road texture and contours, and an overall feeling of driving in a well-lit area.
Precision-Focused and Even Beam Pattern
A well-defined beam pattern is essential for both seeing far and seeing wide. The R21's beam is optically designed to project light with purpose. The focused center delivers excellent distance vision for spotting hazards early, while the uniform wide spread eliminates dark spots at the sides of the vehicle, illuminating curbs and sidewalks. This balanced pattern, with a sharp cutoff, also minimizes glare for oncoming traffic, making it a safe and considerate lighting solution for shared roads.

Efficient Dual-Copper Tube Cooling System
Sustained performance requires effective heat dissipation. The R21's Two-copper tube + Aluminum Fins cooling system is designed for reliability. The copper tubes rapidly draw heat away from the critical LED chip. This heat is then transferred to the large-surface-area aluminum fins, where it is dissipated into the air. This efficient cycle maintains a low operating temperature for the LED, which is crucial for preventing light output degradation (lumen depreciation), maintaining the stable 4300K/6500K color temperature, and ensuring the product's long-term durability and performance consistency.


REDSEA Technology — Your Trusted Automotive LED Lighting Manufacturer
Backed by over 15 years of industry excellence, REDSEA operates a modernized 3,000+ m² manufacturing facility equipped with advanced semi-automated production lines and clean assembly workshops. Powered by a dedicated workforce of 50+ skilled technicians, we maintain an agile daily output exceeding 3,000+ sets per day. With lean supply chain management and ample raw material reserves, we guarantee rapid 7-day fast dispatch for standard orders, ensuring global distributors never miss market momentum. Quality builds trust—and our facility is built to empower your scale.


Build Your Own Brand With Us — From Bare Chip to Finished Packaging
Specialized in private-label empowerment for wholesalers and brand owners, REDSEA offers true end-to-end bespoke customization engineered to help you establish a distinctive competitive edge. We provide flexible housing color finishes tailored to your brand identity, alongside high-precision laser engraving for custom logos on driver housings and key components. To match diverse market demands, our platform supports seamless color temperature customization from 3000K to 6500K, modular chip architectures paired with scalable power outputs from 150W up to 360W, and full engineering support for custom appearance and mold development. From internal optical performance to personalized luxury packaging, we turn your brand vision into market-ready reality.

One-Stop Marketing Empowerment — We Help You Sell More, Faster!
We do not just manufacture lights; we actively help you build and dominate your local market. REDSEA equips global distribution partners with a comprehensive, ready-to-use digital marketing toolkit at zero extra cost, including 4K high-definition white-background product photography, detailed assembly close-ups, and professional unboxing studio videos. To accelerate your commercial campaigns, we also provide ready-to-publish social media posters and tailored, print-ready packaging artwork—ensuring your promotional campaigns are fully prepared for immediate market launch the moment your shipment arrives.

Internationally Certified Quality with Exclusive Patent Protection
We engineer products that meet the highest international automotive standards. REDSEA LED lighting solutions have obtained authoritative global compliance certifications including CE, RoHS, FCC, SAE, as well as certified IP68 waterproof and dustproof reports. Furthermore, our cutting-edge exterior housings and thermal architectures are backed by multiple proprietary Design Patent Certificates. Partnering with REDSEA protects your business against patent infringement and guarantees seamless customs clearance across European, North American, and Latin American markets

Trusted by 5,000+ Partners Across 100+ Countries Worldwide
Over the past 15+ years, REDSEA has established rock-solid long-term business relationships with automotive wholesalers, retail chain operators, and professional retrofitters across Europe, North America, South America, the Middle East, Southeast Asia, and Russia. Through annual showcases at international trade expos (including the Canton Fair and Automechanika) and on-site factory visits, our dedication to reliable quality, open communication, and win-win cooperation has earned the long-term trust of more than 5,000 global partners.
