Prepare your semi to be Ready for the Road Ahead with bright flashing lights for emergency or warning situations, with the HD Value LED Permanent Mount Strobe Light. Due to its alternating pattern that provides enhanced stability, this replacement light is able to alert other spectators, workers, or drivers of a delicate situation. Constructed with a durable outdoor body to perform its best in all types of weather conditions. FleetPride is your First Click in Heavy Duty .