The Grote 5.5" Surface Mount Auxiliary Strobe & Stop Lamp is the perfect addition to any vehicle. This lamp is designed to be surface mounted and is compatible with various wiring options for all cable bundle systems. It features five flashes in four seconds followed by a solid red burn to prevent flashing vertigo and keep track of traffic. The lamp is also built into the brake circuit for added safety. This lamp will provide reliable performance with its durable construction and easy installation. FleetPride is your First Click in Heavy Duty®.