Description:

Fitment- The Roof Marker Lights Compatible with 2007-2021 Chevy Silverado 2500HD, 3500HD; Compatible with 2007-2021 GMC Sierra 2500HD, 3500HD. Also fit other Chevy or GMC 1500 2500 3500 rooftop (some drilling and wiring required).. Feature- Material: Plastic/ Color: Clear Lens. The LED roof marker lights are usually made of durable materials such as plastic for the housing and lens, with an LED chip as the light source.. Function- Their primary function is to increase visibility at a distance and improve safety by marking the edges or heights of large vehicles such as trucks, trailers or recreational vehicles (RVs). This helps other drivers on the road easily identify the size and dimensions of the vehicle, especially at night or in low visibility conditions where roof marker lights serve their purpose well.. Installation- Screw, snap-on installation. Professional installation is highly recommended.. Package Include- Only 3Pcs Roof Marker Lights. Note: installation accessories provided but no instructions..