This four inch (4") LED fixture is a highly versatile and capable lighting fixture for your boat, car, utility vehicle or RV. Featuring a high quality waterproof housing and super bright White LEDs behind a fresnel lens, this fixture is designed for both function and styling. Built within a reinforced plastic case, the design features removable end mounts that cover the mounting hardware. A rubber gasket below the main body provides a secure and vibration resistant base. This gasket contains an inlay channel to permit the power wires to lay flush, inside the channel and exit at one end. The LED circuit board is conformal coated and embedded in epoxy to resist vibration, corrosion and moisture. Includes mounting hardware. See our other Amazon listings for 6" versions of this lamp (ASIN: B0051BUZMG) as well as our many other products including pivoting LED bar lamps and other 12 and 24 lamps and dimmers.