Buyers recessed quad flash 6" LED strobe lights are constructed with a Polymer housing and a durable polycarbonate lens. This strobe light contains 24 LED bulbs and features a quad flash strobe with alternating and synchronized functions. Buyers recessed quad flash 6" LED strobe lights come with a PL-3 plug and a grommet for easy installation.If your work truck needs some high quality and high visibility strobe lights then Buyers recessed quad flash 6" LED strobe lights are perfect for your application. Don't worry about the weather affecting these lights. They are IP67 rated, meaning they are protected from dust and can be submerged in water up to 1 meter in depth for 30 minutes.