This dual function 4" round red stop and white back-up LED light is a reliable addition to any commercial truck. The light is designed with the brand TRUX and is perfect for use in turn signals and lighting. It is a great choice for those in need of a high-quality lighting solution for their truck. The light is easy to install and use, and its dual function feature ensures that it is suitable for a variety of lighting needs. Its durable construction and reliable performance make it a top choice for commercial truck owners. This item is perfect for those looking to upgrade their truck's lighting and turn signal capabilities.