LED bulbs work great. Gives a bright light. Hardest part of the install is getting the plastic pieces off of the rig. The installation video nd tool that the kit comes with is helpful, but a second tool (small screwdriver or another plastic wedge) is necessary for a couple of the parts. All told, install took about 1.5 hours (I have never done this on any other vehicle, so the first couple lights will take the longest to figure out how the catches release, then the other bulbs will only take minutes.