A road work site needs warning equipment that sees far, moves easily, holds up, and works flexibly. Built around these real needs, the LED Arrow Board delivers six key product advantages, ensuring safety protection is in place at every step. Product Advantages Advantage 1: Clearly Visible from 500 Meters — Earlier Warning High-brightness red LEDs actively illuminate without relying on headlight reflection, remaining striking in rain, fog, and at night. The light guide plate