The MR6 is a small to medium sized surface or grille mount warning light with the ability to do split-side flash patterns. It has 6 high intensity TIR (focused) type LEDs/optics.
 
Wiring: 12V DC, power/ground, pattern change, etc.
Dimensions: 4.25" L x 1" H x 0.75" D (without bezel, bezel adds about 0.5" on sides and 0.25" on top/bottom)
Mounting: Grille or surface, 2 screw mount; Purchase includes matte black housing while supplies last