This is a great addition to the Stinger Trailer, it adds to the trailers visibility when towing the trailer empty or when you have your prized procession on the trailer. The light alternates top and bottom flashing and is not disruptive to the diver. It comes complete with mounting hardware and an all weather accessory plug that is easily added to the back of the trailer. The tower easily mounts to the loading ramp of the trailer and needs to be removed when loading and unloading your motorcycle.