MATERIALS: The Xtreme LED Light Bar is made of 6063 extruded aluminum housing with die-cast ends SHINE BRIGHT: This light bar kit has 20 LED bulbs with 100 watts BUILT TOUGH: The light bar has a dust and moisture resistant lens PROTECTON: GORE Protective Vents rapidly equalize pressure differentials within sealed enclosures, effectively preventing the internal vacuums or pressure build-ups that stress housing seals INCLUDED: This kit includes (1) X-Treme series light bar, wiring harness with connector switch, relay and in-line fuse, mounting hardware