Replace your old incandescent Tail Light Assembly with a new Led based Tail Light Assembly from PSA. Simply remove the current assembly and replace it with the LED unit. Fits in the same foot print with no modifications required. New mounting hardware included. It weighs only 1.5oz., measures approximately 1.6" high x 1.4" diameter, and draws less than .2 Amps. Save yourself 2 Amps. This unit is completely self-contained. Available in 12v & 24v. NON-PMA