T-H Marine's LED Surface Mount Dome Light installs easily and is ideal for interior use in boats, RVs and other applications. The clear PC lens distributes illumination to a wide beam angle of 120°. The circuit board is completely encased in epoxy for water, corrosion and vibration resistance. This LED Surface Dome Light features low power draw, hidden fasteners, on/off rocker switch and a lifespan up to 100,000 hours.