Tired of dim, yellow headlights? Revolutionize your night driving experience with the HJG 300W H4 LED Headlight Conversion Kit. Engineered for extreme brightness and reliability, this kit delivers a stunning 40,000 lumens of crystal clear 6500K white light, turning night into day and ensuring maximum safety on the road.
Key Features:
- Socket Type: H4 (High/Low Beam Functionality in one bulb)
- Massive Power: 300W per pair (150W per bulb) for unmatched illumination.
- Extreme Brightness: A staggering 40,000 lumens per pair to light up the entire road.
- Pure White Light: 6500K color temperature for a modern, xenon-white look and enhanced clarity.
- Perfect Beam Pattern: CSP LED chips ensure a focused beam with no dark spots or glare for oncoming traffic.
- Plug & Play Installation: Universal H4 three-pin connector for easy installation without any modifications.
- Advanced Cooling System: Aviation aluminum body, dual copper tubes, and a 12,000RPM turbofan ensure over 50,000 hours of life.
- CANBUS Ready: Built-in intelligent driver prevents flickering and error codes on most modern vehicles.
The H4 Socket Advantage: High & Low Beam in One
The HJG H4 LED bulb is the ultimate all-in-one headlight upgrade. Unlike single-beam bulbs, the H4 socket design integrates both high beam and low beam functions into a single, compact unit. This allows you to seamlessly switch between beams for city and highway driving, all from one powerful and efficient LED source. Its three-pin design is a direct replacement for your stock halogen H4 bulbs, making it the easiest and most effective lighting upgrade for compatible cars and motorcycles.
Unmatched Visibility and Safety
Get up to 800% more light on the road compared to standard halogen bulbs. The super-focused beam pattern illuminates farther and wider, giving you more time to react to obstacles and ensuring a safer drive for you and your family.
Built to Last
Constructed from die-cast aluminum and rated IP68 waterproof, these bulbs are designed to withstand the toughest conditions. The advanced thermal management system, featuring a high-speed cooling fan, prevents overheating and guarantees consistent performance and a lifespan of over 50,000 hours.
Specifications:
- Product: HJG H4 LED Headlight Bulb Kit
- Socket: H4 / 9003 (Three Pin)
- Power: 300W (150W per bulb)
- Luminous Flux: 40,000 Lumens (20,000 LM per bulb)
- Color Temperature: 6500K (Xenon White)
- Voltage: DC 12V – 80V
- Body Material: Die-Cast Aviation Aluminum
- Cooling: 12,000 RPM Turbo Fan
- Waterproof Rating: IP68
- Lifespan: > 50,000 Hours
- Vehicle Compatibility: Universal for Cars, Motorcycles, and SUVs with H4 socket.
What’s in the Box?
- 2 x HJG H4 300W LED Headlight Bulbs
- 1 x Instruction Manual
Note: While installation is plug-and-play, professional installation is recommended to ensure perfect alignment and performance. Please confirm your vehicle uses an H4 socket before ordering.

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