Ape City Piaggio Tail Light Assembly is a device used to identify the back of a vehicle with a warning light that must be clearly visible during darkness from a distance of 500 feet away. This light assembly comes in pairs and is useful for making a vehicle visible to cars behind it. Ape City Piaggio Tail Light Assembly acts as a set of lights fitted on the back of your car. Each pair of lights has a distinct role in nighttime visibility. This light helps to illuminate when the headlights are turned on.