Oprtronics Clearance Lights MC53RS. Optronics International is the fastest-growing vehicle lighting manufacturer in the United States, and is a premier worldwide manufacturer and supplier of branded industrial and commercial vehicular safety lighting products. Optronics international attributes its success to delivering better value, better options and better its customers since 1972. The company specializes in interior and exterior LED and incandescent lighting for the HD, trailer, transit vehicle, RV and marine markets. The Optronics product catalog is among the most extensive in the industry, with IATF 16949 and ISO 9001:2015 certified manufacturing and distribution facilities. Product Features: 12VDC PC rated clearance or side marker light for recess mount Use with grommet and 2-way plug (not included) Sonically sealed, waterproof lens and housing for durability Inventory box number 5791