WoneNice Amber Vehicle Car Truck Emergency Hazard Warning 240 LED Mini Bar Snow Plow Safety Flashing Strobe Light with Magnetic Easy to install, Mounted with magnets to the top. Plug this into your 12V cigarrette lighter and with the magnetized bottom place on any exterior metal 240 LED produces a very bright light Up to 30,000 hrs life expectancy With a just one button to switch between 7 modes, great for undercover or to use when needed High Quality, Professional Grade products. Designed for DIY installation This LED Mini Light bar is great for emergency workers, postal service, construction vehicle, security etc.