This ruggedly built but light weight hideaway grille or mirror light is an excellent value. Crystal Clear lens with durable black ABS housings will certainly last a longtime and provide the needed warning and visibility but being discreet as well when mounted in the grille. Will also work well as a side marker on trucks and trailers. Working Voltage: 12VDC (11V-14V). 11 Preprogrammed Blue flash patterns. Durable weather resistant injection molded ABS housing and TPE seal and polycarbonate lenses 2 rust resistant screws included. Dimensions : 2.5" X 1.0" X 1.1.875" light head. 3.75" X 1.25" X 1.375" overall foot print. Light: 1 - 2.5" X 1.0" with smooth Precision Linear Optics lens for hi Intensity brightness. Epoxy sealed circuits for shock and weather ability. 4 wire lead for synchronization; 15" wire lead.