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High Quality 4 Inch Round LED Trailer Tail Lights Circular Indicator Light Combination Tail Lamp

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Multi-Functional Automotive Lighting: Designed to serve as a tail light, brake light, and turn signal indicator, providing clear visual alerts for road safety.
  • High-Performance LED Technology: Utilizes energy-efficient LEDs for superior brightness, longevity, and rapid response time compared to traditional halogen bulbs.

Key features

  • 1. Durable Polycarbonate Construction

  • With a polycarbonate (PC) lens and waterproof IP67 rating, withstand extreme weather and environmental impacts. This material ensures long-term reliability in harsh outdoor conditions.

  • 2. Multi-Function LED Configuration

  • With amber and red LED integration, serve as a combination tail/brake/turn signal light in one unit. Simplify installation and reduce the need for multiple components.

  • 3. High-Performance LED Technology

  • With energy-efficient LEDs, deliver 50% brighter illumination compared to halogen bulbs* while consuming 80% less power. Ideal for clear visibility in low-light conditions.

  • 4. Commercial-Grade Weather Resistance

  • With IP67 certification, operate seamlessly in extreme environments—rain, snow, or dust—making it suitable for heavy-duty trailers and commercial vehicles.

  • 5. Universal Compatibility & Safety

  • With a 12V voltage design and standard mounting fit, ensure compatibility with most vehicles. Meets automotive safety standards for reliable performance in critical signaling scenarios.

Product details

High Quality 4 Inch Round LED Trailer Tail Lights Circular Indicator Light Combination Tail Lamp

The High Quality 4 Inch Round LED Trailer Tail Light is a versatile automotive lighting solution designed for durability and visibility. Featuring a polycarbonate (PC) lens and IP67 waterproof rating, it withstands harsh weather and environmental conditions. With amber and red LED configurations, it meets standard automotive requirements for brake lights, turn signals, and tail lamps.

Technical specifications

FeatureSpecificationBenefit
MaterialPC and plasticImpact-resistant and weatherproof design
Light ColorAmber/Red (configurable)Standard automotive signaling compliance
Voltage12V DCCompatibility with standard vehicle systems
WaterproofIP67Submersion resistance for outdoor use
LED TypeHigh-brightness LEDs30% brighter than traditional bulbs

Customization guide

Adjustable color configurations (amber/red) and mounting options to align with vehicle aesthetics or regulatory requirements.

Get inspired

With its circular design and IP67 rating, this LED tail light ensures reliable performance in extreme conditions while maintaining a sleek, modern appearance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Lifespan25,000 hours+20% (30,000 hrs)+40% (35,000 hrs)
WaterproofIP67IP68IP69K
Brightness8,000 mcd+25% (10,000 mcd)+50% (12,000 mcd)
Color Consistency±5 SDCM±3 SDCM±2 SDCM

Supplier's note

  1. Technical Breakthroughs:

    • IP69K Waterproofing (Pro Model): Withstands high-pressure water jets, ideal for off-road or marine vehicles.
    • Extended Lifespan (Pro Model): 35,000-hour durability reduces replacement costs by 40% compared to standard LEDs.
    • Color Accuracy (Pro Model): ±2 SDCM ensures consistent signaling across all environmental conditions.
  2. Optimal Version Selection:

    • Base Model: Suitable for daily commuters needing cost-effective reliability.
    • Advanced Model: Best for commercial vehicles requiring IP68 submersion resistance and improved brightness.
    • Pro Model: Tailored for heavy-duty applications like trucks or RVs, where extreme durability and color consistency are critical.

With the Pro Model’s IP69K rating, you can ensure safe operation in industrial or off-road environments. The Advanced Model’s 25% brighter LEDs enhance visibility in foggy conditions, while the Base Model balances affordability with essential performance.

Frequently asked questions

  • Which 4-inch round LED trailer tail light model is best for heavy-duty outdoor use?

  • How do I clean the lens of an amber LED trailer tail light?

  • What’s the difference between PC and plastic materials in trailer tail lights?

  • Can I customize the color of 12V circular LED trailer lights?

  • Is this LED taillamp compatible with all 12V vehicle systems?

  • How long do the LEDs in this trailer light last compared to halogen bulbs?

  • Are these circular LED tail lamps easy to install on trailers?

  • Does the amber LED trailer light meet automotive safety standards?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Light Source TechnologyVehicle braking/turn signalsIndustry: Halogen (1,000h lifespan) ▲ Base: LED (50,000h+, IES LM-79) ▲ Advanced: High-output LED (100,000h+, dimmable)Energy efficiency, 50x longer lifespan than halogen (reduces replacement needs)Higher upfront cost vs halogen
Waterproof RatingOff-road/marine vehiclesIndustry: IP65 (low-pressure water) ▲ Base: IP67 (immersion up to 1m, IEC 60529)Advanced: IP69K (high-pressure jets)Survives heavy rain/floods (vs IP65: 10x better water resistance)Advanced versions may add weight/cost
Material DurabilityHeavy-duty trucks/trailersIndustry: ABS (5J impact resistance) ▲ Base: Polycarbonate (10J, ASTM D3763) ▲ Advanced: Reinforced PC (15J, military-grade)Withstands 2x harder impacts than standard ABS (reduces breakage)Advanced materials increase weight and cost
Voltage CompatibilityVehicles with unstable power systemsIndustry: 12V ±20% ▲ Base: 12V ±30% (ISO 7637-2 compliant)Advanced: 12V ±40% (surge protection)Operates in extreme voltage fluctuations (reduces flickering)Advanced models require specialized wiring
Light Color AccuracyCompliance-critical applicationsIndustry: Amber ±10nm (SAE J583) ▲ Base: Amber ±5nm (IESNA LM-79)Advanced: RGB customizable (CIE 1931 standard)50% tighter color tolerance (better regulatory compliance)Advanced RGB versions may need software for setup
Installation FlexibilityDIY/quick replacement scenariosIndustry: Standard 4-inch mounting ▲ Base: Adjustable brackets (universal fit)Advanced: Quick-release tool-free mountReduces installation time by 50% (no tools required for advanced)Advanced mounts may not fit non-standard vehicle designs

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