Shop Nilight 144LED Traffic Advisor Strobe Light Bar with Controller Amber Blue Emergency Warning Lights Hazard Interior Front/Rear Windshield Flashing for Cars Plow Trucks Construction Vehicles in high quality, support 2 year warranty. Traffic Advisor Strobe Light Bar has a total of 144 high-power LED chips with aluminum housing and PC lens. Provided maximum illuminate coverage and output bright warning signal from greater distance. Visible in daylight, midnight, rainy, foggy or snow days.