This low-profile LED trailer ID bar serves to enhance visibility, ensure regulatory compliance, and facilitate the identification of a trailer's presence and movements on the road. Its ultrathin design enables installation in tight spaces, while the sonically sealed, waterproof housing and lens unit ensures submersibility, adding durability in various conditions. Housed in a durable polycarbonate housing and lens, the light features red lens covering white LEDs and is compatible with 12V DC systems.