The Multi-Lite™ is designed for use in engine rooms, storage compartments and other enclosed spaces. Corrosion resistant and weather tight. The heavy glass fresnel lens amplifies light and is O-ring sealed. Utilizes a standard medium screw base bulb. Polycarbonate base resists salt damage. Wiring and bulb are not included and should be matched with your electrical system. Frensel Glass Lens Amplifies Light for Improved Dispersion in Engine Rooms and Other Enclosed SpacesUse with either DC or AC Electrical SystemsNylon Cage provides Lens ProtectionMultiple Conduit Connections provide a Variety of Connection Points for Fixture InstallationPolycarbonate Base is Designed to Resist Salt Damage