Ensure optimal safety and visibility on the road with the CEC Industries EF-42BP Heavy-duty Electronic Truck Flasher. This flasher is specifically designed for trucks and other heavy-duty vehicles, providing reliable and consistent flashing of up to 20 lamps. With its heavy-duty construction, it can withstand harsh weather conditions and frequent use. The electronic design ensures precise timing and synchronized flashing, enhancing road safety. Upgrade your truck's lighting system with the CEC Industries EF-42BP Heavy-duty Electronic Truck Flasher and enjoy improved visibility and safety.