Buyers Products Dual Color 3.75 Inch Marker/Clearance Light is used on trucks and trailers to meet FMVSS/CMVSS 108 regulations. These lights have two LEDs and an amber/red lens. They feature dual male bullet style connections that easily plug into the mounting bracket (see "Accessories" below). Marker lights are backed with a limited lifetime warranty. Lights are sold in bulk (in multiples of 10) and available as either stand-alone lights or complete kits that include mounting brackets.