To operate 2 or 3 lamps on either side of vehicle. Incorporates hazard warning flasher system when used in conjunction with HELLA switch P/N 5227. Hella is world renowned in the design and manufacture of automotive lighting equipment and independent after market sectors of the automotive mining and marine industries. Hella has been in business since 1899 and operates in over 30 countries around the world. Rest assured that with everything Hella produce comes over 100 years of experience and knowledge of creating reliable and quality products.