Don't make the mistake I did and buy a cheap halogen light from a big box store because you will quickly regret the decision and end up buying a nice LED tail light somewhere else. Thanks for reading my article and happy cycling!One challenge which designers and makers of LED light bulbs face is the need to keep the temperature level of the light emitting diode units at an acceptable level otherwise efficiency is greatly diminished. Bright Night Lights Since these types of lights have a different thermal profile compared to traditional light bulbs the ways they can be utilized differ somewhat in order to keep temperatures in acceptable ranges.