Vehicle compatibility: headlights assembly compatible with 2002-2009 Chevy Trailblazer / 2002-2006 Chevy Trailblazer EXT(Full Width Grille); high beam bulb type: HB3/9005; low beam bulb type: HB4/9006; bulbs are not included
Waterproof: fully sealed with solid silicon & designed with one-way vents to prevent moisture from being trapped inside the housing, no corrosion or moisture worries in sorts of weather conditions
Brighter lighting: the metallic parabolic reflectors provide more light output to create a broader and smoother beam (The angle of beam adjuster can be adjusted about ?3?)
Safety reflector: the sided micro-prism reflector makes the oncoming cars or passerby quickly notice you at night, ensuring your driving safety and others'
Impact resistance: the polycarbonate lens & tough housing are highly resistant to shock, vibration for any tough road; professional installation would be highly recommended