1.Universal for Trucks, trailers, tractors, semi-trailer, Dump Truck, bus, boat, special vehicle, etc. For Heavy Duty trucks like Peterbilt, freightliner, Kenworth, mack, etc.
2.It is hard wired with 2 wires, one with a ring terminal.
3.This 17 diode led light with reflector is wedge shaped.
4.Convert your old incandescent lights to more modern LEDs
5.LEDs are brighter and light faster, draw less current and generate less heat than incandescents