Street Glow Headlight Strobes - HEADLIGHT STROBE LIGHTS Emit a bright pulsating light within composite headlight housing or lighting assembly Designed for show use only Includes two 1-1/2" xenon bulbs, transformer, hardware and instructions. Order control module (sold separately) to control speed and effect of flashes. Installation requires drilling 1/2" diam. hole in each light housing. For 12-volt negative-ground systems. Limited lifetime warranty. NOTE: Check local laws before ordering. Applications: All Makes All Models, All Makes All Models, All Makes All Models