The LLX477XLSX2 is part of Lucas' range of STOP/TAIL lamp clusters, specifically designed for use on commercial vehicles. It features a 2.50 inch round lens with 18 LEDs and 12-24V DC power input. It has a continuous operation life of more than 50,000 hours, and an IP67 waterproof rating. The LLX477XLSX2 offers improved performance for truck and trailer applications, allowing them to remain visible in fog, dust, rain, and snow. It is also designed to meet ECE and DOT requirements, ensuring safety and reliability.