Model train lights are not entirely different from their ancestors except for a few features such as energy efficiency and longevity, thanks to advancements in technology. Most model train lights of today uses LED bulbs, which are far more energy efficient and brighter than filament bulbs, and they are also much more energy efficient. It is recommended using LED lighting wherever possible as it is an investment that can last for several years.

There are several excellent LED resources in the members area of the online Model Train Club.