Update your semi with bright flashing lights for emergency and warning situations, with the Grote 5.12" Compact Dome 3-LED Beacon Light that ensures you're Ready for the Road Ahead. This replacement light alerts other workers, drivers, or spectators of a delicate situation by providing improved visibility through an alternating pattern. Engineered with a rugged outdoor body to perform its best in all types of climates. FleetPride is your First Click in Heavy Duty.