Two light weight plastic light heads with magnetic base 20-foot wiring harness with standard 4-pin connectors12V system easily connect to any standard automobile lighting system Ideal for towing applications up to 6.5' wide Easy installation, no tools required Safe, reliable, reusable Waterproof for all weathers 3-in-1 light, includes tail light, brake light and signal light Brown: tail lights (connect to either left or right tail light connector of towingvehicle) Yellow: left turn and stopGreen: right turn and stop White: chassis groundMagnetic Tow-A-Lites are wired with standard rental electrical bullet ends If your towing vehicle is not equipped with compatible connectors, additional adaptersare availablePacking:Double blister case producing area:China payment:T/T, L/C at sight