-- This 4 inch round dome light is designed for utility use in boats, cars, trucks, and utility vehicles of all types;
-- Designed as a Utility/Map light, this fixture contains 12 White LEDs and 9 Red LEDs. A 3-way rocker switch controls White-Off-Red;
-- Installation is easy: rotate to remove the circular-pattern lens and install using the included screws. Just directly wire to your 12 Volt DC power system. Then A side mounted rocker switch operates the dome lamp. You might need to drill some holes;