This is an LED turn signal that should be used with the poison Spyder front tube fenders or anywhere else that you might wish to mount them. This is easy since all you have to do is to drill a ¾ inch hole on a panel that is flat. These light are DOT approved. There is a wide variety of lens colors to choose from. The kit comes with the following; harness, pig tail and a mounting grommet. This item is not meant to be a direct replacement of the stock turn signal or the marker lamp. Sometimes you might need to make some alterations in terms of wires. The assembly is two wire meaning that it can be used either a turn signal or a marker lamp but it cannot be used for both purposes.