2 Clear Amber 17" Sealed LED Waterproof Submersible Turn Tail Clearance Marker Identification Truck Trailer Light Bars Functions as: Turn Tail Signal Light or Clearance Marker Polycarbonate lens is sonic welded to the housing. Completely sealed and waterproof 11-Diode square LED light. Operates from 9-16 volts Clear lens and amber lights SAE Approved and complies with the DOT requirements