IIT 16922 Magnetic LED Trailer Light Set Great for cargo trailers, Boats, ATV's, Snowmobiles and Campers Includes 2 piece corrosion resistant magnetic base lights and 20 foot wiring harness with standard 4-pin connectors Each light contains 20 bright LED's Ideal and versatile solution for many towing needs LEDs use very little energy, reducing the wear and drain on your battery