These ruggedly built grille or bar lights are and excellent value. Crystal Clear PolyCarb lenses with durable black ABS housings and the steel stud mounting bracket will certainly last a long time and provide the needed warning and visibility. 12VDC (11V-14V) .25(1/4) amp usage. Durable weather resistant injection molded ABS housing and polycarbonate lenses. Steel adjustable swivel mounting bracket with 3/8" stud. Light: 2 - 3.5" X 2.75" with 23 GEN III TIR (Total Internal Reflectivity) LED's with refracted clear lenses for hi intensity, wide angle visibility. 15 ft leads with connectors to heavy duty flash controller. 8 ft power cable from flash controller with off/on switch and a 5 Amp inline fuse. All components have connectors to easily tie into vehicle light control unit.