Features: Enhances visibility and safety with high brightness LED strips clearance lights featuring focused lens technology, delivering long range illumination and eye catching striped patterns for improved truck/trailer side & rear recognition in low light conditions. Crafted with ABS+PC housing, these 12-24V compatible truck side marker lights withstand harsh weather, vibrations, and road debris while maintaining stable performances across various commercial vehicles. Ideal for truck drivers, logistics operators, and trailer owners seeking reliable safety accessories to meet DOT compliance standards and ensures vehicle conspicuity during long hauls transportation. Perfect for nighttime highway driving, foggy conditions, or construction zones where enhanced side illumination helps prevent lane change accidents and alerts surrounding traffic to your vehicle's dimensions. Combining functional durability with effortless installation via screw/custom brackets, these multipurpose trailer safety lights serve double roles as clearance markers and width indicators, significantly reducing collision risks in complex traffic environments. Specifications: Component: ABS+pc Color: Red/White Weight: 16g Size: 7x3x1cm Quantity:2pcs/4pcs Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings. Package includes: 2pcs/4pcs Trailer Side Marker Light