# LWW-GRB-W55/70 > The LWW-GRB-W55/70 is a 4-12W DMX512-capable LED guardrail light with IP65 protection and IK08 impact resistance for bridge and highway delineation. ## Source - Canonical: [https://www.tpk-led.com/products/guardrail-light/lww-grb-w55-70/](https://www.tpk-led.com/products/guardrail-light/lww-grb-w55-70/) - Content type: Products - Language: en - Published: 2026-09-17T00:18:36+00:00 - Modified: 2026-10-01T09:14:26+00:00 - Product model: LWW-GRB-W55/70 - Product series: LWW-GRB-W55 - Product family: Guardrail Light ## Content # Roadway Low-Level Lighting Bridge Guardrail Light Model: LWW-GRB-W55/70 [![LWW-GRB-W55 LED guardrail light product image](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175442513.jpg) Image unavailable · original image link retained](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175442513.jpg) ## Bridge Guardrail Light LWW-GRB-W55/70 IP65 Linear LED Guardrail Washer — CE Certified The LWW-GRB-W55/70 is an IP65 rated linear LED bridge guardrail light designed for low-mounted installation along bridge railings and road safety barriers. Constructed with a 6063 aluminum alloy base and a durable PC tube, it provides excellent impact resistance (IK08) and heat dissipation. Available in dual-white, RGB, and RGBW configurations, it supports standard DMX512 control for dynamic color mixing, making it an ideal dual-purpose solution for road safety illumination and decorative bridge outlining. [![LWW-GRB-W55 LED Guardrail Light installation details](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175442510.jpg)Image unavailable · original image link retained](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175442510.jpg) **IP65**Outdoor protection **IK08**Impact resistance **24V DC**Safe low-voltage **CE**European compliance **3-Year**Warranty support ## Color & Optic ### Color Options 4000K Standardized at 4000K natural white. For custom CCT requirements, please refer to the technical specifications. ### Beam Options ![120 degree beam angle](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_174591325.jpg) 120° Standard 120° ultra-wide beam distribution tailored for uniform guardrail illumination without dark spots. ## Product Specifications **Power**4W / 12W **LED Types**SMD 3535 / 5050 **Color**4000K **Input Voltage**24V DC **Housing Material**Aluminum alloy 6063 + PC tube **Waterproof Measure**Fully potted waterproof **Control Mode**ON/OFF / DMX512 **Beam Angle**120° **IP Rating**IP65 **Protection Level**IK08 **Dimension**φ76mm / φ108mm **Lifetime**50,000 hrs **Warranty**3 years **Environment Temperature**−25°C to +50°C ## Model Configuration Model | Dimension | Power (Max) | Color Options | Lumen Output | Packing Info **LWW-GRB-W55-L6** | φ76mm | 4W | 4000K | 480lm | **Weight: 0.65kg ±5%**Qty/Ctn: 16 Units/CtnCarton: 69.5 × 32 × 22.5 cm **LWW-GRB-W55-L10** | φ76mm | 12W | 4000K | 1440lm | **Weight: 0.97kg ±5%**Qty/Ctn: 16 Units/CtnCarton: 103.5 × 32 × 21.5 cm **LWW-GRB-W55-L12** | φ76mm | 4W | 4000K | 480lm | **Weight: 1.13kg ±5%**Qty/Ctn: 16 Units/CtnCarton: 125.5 × 32 × 21.5 cm **LWW-GRB-W55-L12** | φ108mm | 12W | 4000K | 1440lm | **Weight: 1.31kg ±5%**Qty/Ctn: 16 Units/CtnCarton: 125.5 × 32 × 21.5 cm Configuration summary: Available in φ76mm and φ108mm profiles with standard 4000K CCT. Operates on 24V DC input. Housed in robust aluminum 6063 and PC tube with an IP65 rating for demanding municipal guardrail integration. ## Advantages ### Dual-Purpose Illumination Designed specifically for bridge and road safety guardrails, providing simultaneous functional path lighting and decorative linear outlining along bridges and roads. ### DMX512 Dynamic Control Compatible with standard DMX dimmer systems and independent RF control, enabling dynamic synchronization and thousands of programmable color-changing effects. ### Wide Uniform Output Produces clean, saturated 4000K illumination from a uniform 120° beam distribution, ensuring zero dark spots along continuous installations. ### Aviation Aluminum Structure Built with an extruded aviation-grade aluminum alloy 6063 body, maximizing heat dissipation and ensuring long-term anti-corrosion performance for municipal infrastructure. ### Fully Potted IP65 Protection Internal components are fully encapsulated with high-grade thermal glue, achieving an IP65 rating and guaranteeing safe operation in wet outdoor environments. ### IK08 High Impact Resistance The combination of a rigid metal chassis and a high-strength transparent PC tube provides excellent defense against external impacts, crucial for public road scenarios. ## Application Scenarios ### Bridge & River Guardrails Seamlessly mounts onto existing metal handrails or concrete barriers, delivering continuous glowing lines along bridges and waterfront promenades. ### Urban Overpasses Provides critical path safety lighting while dramatically enhancing the nighttime aesthetic profile of highway overpasses and elevated roads. ### Commercial Exterior Outlining Deployable along building rooflines, large commercial curtain walls, and terraces to create striking DMX-controlled pixel arrays and media facades. ### Landscape & Path Lighting Integrates flawlessly into park boundaries, large-scale retaining walls, and public safety barriers to safely guide pedestrian traffic. The LWW-GRB-W55 series is designed for versatile outdoor infrastructure projects where structural integration, reliable IP65/IK08 weather resistance, and dynamic DMX control are essential. ## Impressions ![Bridge guardrail LED lighting application | TPK Lighting](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175439950.jpg) Image unavailable · original image link retained ![Road edge decorative wall washing illumination | TPK Lighting](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175439948.jpg) Image unavailable · original image link retained ![Urban architectural perimeter functional lighting | TPK Lighting](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175439947.jpg) Image unavailable · original image link retained ## FAQ Model: LWW-GRB-W55 What is the IP rating of the LWW-GRB-W55? The LWW-GRB-W55 carries an IP65 rating. The internal electronics are fully potted with thermal glue, meaning it is highly protected against dust and low-pressure water jets, making it suitable for permanent outdoor bridge and guardrail installations. Are these fixtures certified for international projects? Yes, the LWW-GRB series is officially CE certified and RoHS compliant, ensuring it meets European safety, health, and environmental protection requirements. What control systems are compatible with the LWW-GRB-W55? The fixture supports standard ON/OFF control for static colors, as well as DMX512 protocols for dynamic color programming and individual segment addressing. It operates securely on a 24V DC input voltage. What is the warranty and lifespan of the fixture? TPK provides a standard 3-year warranty covering the complete assembly under normal outdoor installation conditions. Featuring high-grade SMD LEDs and aviation aluminum housing, it offers an extended lifespan of up to 50,000 hours. ![LWW-GRB-W55 LED guardrail light front view](https://static.tpk-led.com/images/website/tpk-led/Product/LWW-GRB-W55/LWW-GRB-W55_175442513.jpg)Image unavailable · original image link retained ## Discovery - Site index: [https://www.tpk-led.com/llms.txt](https://www.tpk-led.com/llms.txt) - Section index: [https://www.tpk-led.com/products/llms.txt](https://www.tpk-led.com/products/llms.txt)