Road Genie Red LED Tow Lights - DOT Approved - Magnetic Each light is 4 inches in diameter, and each unit with magnetic base is 7 inches tall This set includes a 20 foot wiring harness with 4 standard pin connectors This entire set (in the package) weighs 2 pounds, 10.6 ounces - powered from accessory outlet Strong magnetic power will hold fast to metal automobile surfaces; item is DOT Approved! Scratch resistant base on each light - wires expand to 80 inches wide - instruction manual included