This eighteen inch (18") LED Rail light is a highly versatile and capable lighting fixture for your boat, car, utility vehicle or RV. Featuring a high quality housing, integral on/off rocker switch, water proof housing and super bright White LEDs behind a fresnel lens, this fixture is designed for both function and styling. Its unique pivoting design allows users to rotate the main body to direct light where its needed. Its reinforced plastic end mounts tightly hold the light in place. (the end caps are removable to permanently mount the fixture - see images). The LED circuit board is conformal coated and embedded in epoxy to resist vibration, corrosion and moisture. Includes mounting hardware. Note: Also available in 6" and 12" lengths. See all our LED lighting products at our Amazon store.