Used to slow the turn signal flash rate to normal after installing LED Turn Signals. Does not produce heat or put a load on the system. Slimline unit with long leads for easier placement under seat. Only 1 module needed per bike to cover front & rear signal conversion, or front OR rear signal conversion. Compatible with incandescent bulbs if only one set of signals has been upgraded to LED. Can be used with 4 way hazards (Unlike load equalizers that use resistors). Alarm compatible with a Lifetime manufacture warranty. Sealed, weather tight case. Dimensions: 4.2" x 0.6" x 1.4" Plug & Play on 2010-2013 Street Glide/Road Glide Custom (Does not Fit CVO Models)