1 Set 4x22-LED Flasher Light Emergency Vehicle Strobe Lamp Bars with Mounting Bracket + Control Module (Amber) The Latest High Quality LED Chip-Set Technology Comes with Control Module & 3 Flashing Modes, On/Off Switch Material: High Quality ABS Housing + PMMA Lens + LED Low consumption. Energy Saving. Long lifespan Great for Emergency Workers, Postal Service, Construction Vehicle, Security, Snow Plows