Buyers 4.5" LED strobe lights are constructed with an aluminum housing and feature a thin .35" profile to fit in tight areas. This strobe light contains 6 LED bulbs and features 19 flash patterns with alternating and synchronous features. Buyers 4.5" LED strobe lights come with a blunt cut wire lead so they will have to be hard wired.If your work truck or trailer needs some high quality and high visibility strobe lights then Buyers 4.5"LED strobe lights are perfect for your application. Amber strobe lights have an SAE J595 Class 1 rating for brightness, if mounted horizontally and they are CA13 certified. Don’t worry about the elements. These lights are IP67 rated, meaning they are protected from dust and can be submerged in water up to 1 meter in depth for 30 minutes.