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This LED trailer side signal lamp, also referred to as a clearance or width lamp, provides an essential lighting function for trailers and commercial vehicles. Designed to mark the vehicle's side profile and width, it enhances safety by making the vehicle more visible to other road users, particularly in low-light conditions or at night. The lamp delivers this function with a specified 1.5W power output, and its construction includes practical features like a 19cm wire and a cover made from a specified high quality UV PC material. It is offered in both red and yellow light specifications to accommodate different vehicle lighting schemes and regulatory standards.
This section details the tangible specifications and build elements that define this LED side lamp's functionality and installation.
Understanding where and how this lamp is used clarifies its role in vehicle safety and compliance.
Choosing this specific lamp brings several source-supported practical advantages based on its stated specifications.





LED trailer side signal lamp clearance lamp width lamp for trailers and commercial vehicles with 1.5W power output, 19cm wire length, and high quality UV PC transparent cover material, available in red and yellow specifications
$19.98
LED Trailer Side Light for Clear Side Signal and Clearance Marking with 1.5W Power

Features and Construction

Material and Build
The lamp's transparent cover is constructed from a material described as high quality UV PC. Polycarbonate (PC) is recognised for its impact resistance and optical clarity, while the 'UV' designation indicates a formulation intended to resist yellowing or degradation from prolonged exposure to ultraviolet sunlight, a relevant consideration for an externally mounted vehicle lamp. This material choice supports the lamp's role as a durable, long-lasting external light fixture.Size and Practical Fit
A key practical specification is the 19cm wire length provided with the lamp. This length offers installers sufficient reach to connect the light to a vehicle's wiring loom without requiring immediate extensions in many cases, facilitating a simpler and potentially neater installation process. The lamp itself is designed as a side marker, implying a compact form factor suitable for mounting along the trailer's side rails or fenders to delineate its width.Uses and Placement

Event or Professional Use
This lamp is purpose-built for trailers and commercial vehicles, which includes a wide range of applications from cargo haulage and logistics to horseboxes, plant trailers, and car transporters. Its function as a side marker and clearance lamp is often a legal requirement for such vehicles over certain widths or lengths when used on public roads, making it a necessary component for professional operators and businesses to ensure their fleets are compliant and visibly safe.Everyday Home Use
For private individuals who own trailers for domestic purposes—such as towing garden waste, carrying DIY materials, or transporting motorcycles—this side light serves the same critical safety function. Fitting compliant lighting, including side markers, is essential for safely and legally using a trailer behind a car on public highways, regardless of how infrequently it might be used.Benefits and Buying Value

Reuse and Low Maintenance
The use of UV-resistant polycarbonate for the cover is a practical feature aimed at longevity. By resisting UV degradation, the cover is less likely to become cloudy or brittle over time compared to untreated plastics, which helps maintain light output and lens integrity through years of sun exposure. This material choice, coupled with LED technology's general reliability, points towards a product designed for extended service with minimal maintenance beyond occasional cleaning.Why Choose This Product
This LED trailer side light presents a clear value proposition based on its defined specifications. The 1.5W power rating indicates an efficient yet adequately bright light source for its intended signalling purpose. The availability in both red and yellow gives buyers a choice to match their existing lighting setup or specific regulatory needs. Furthermore, the included 19cm wire removes an immediate barrier to installation, offering convenience. Together, these concrete features make it a considered choice for anyone needing to equip or replace a side marker lamp on a trailer or commercial vehicle.




