Federal Signals Starfire strobe warning lights are available in single-flash (131ST) and double-flash (131DST) models. Through precise timing of the strobe flash, the double flash unit produces 1,200 effective candela; the single flash unit produces 1000 effective candela.
Additional Info: Dimension: 12.75 in. H x 9.25 in. W x 9.25 in. D