55 pounds magnetic strength base will be holded so strongly to automobile metal surfaces ,so lights never fell off during working<br>Wire distance between lights is 7ft ，Wire harness length is 20ft enough with 4 standard pin connectors<br>Super bright LED with 100,000 hours life and Complies with DOT standards<br>Scratch resistant magnetic base for easy Mount！Each kit have assembly and opearating Instructions for easy installing <br>Ideal for towing applications up to 80” wide like Trailer,Boat,Truck,RV,Dollys,etc<br>Operation:</b><br>1.Set the lights on the back of the vehicle being towed<br>2.Set the lights so that the red side of each light faces backwards<br>3.Set the light which corresponds to the green wire on the right side<br>Set the light which is attached to the yellow wire on the left side<br>The Towing lights are now ready to be activated as you use the brakes and turn signals of the towing vehicle