Since early 1970´s halogen lamps have been the main light source for worklights. Halogen light is inexpensive, has average 500 hours life...
Technology
Today there are several different technologies which can be used in a work light. Light source and optics constructions is the main difference between categories of lights. The work lights TYRI produces consists of Halogen Lamps, Xeon lamps and Light Emitting Diods - LED.
Read more about work lights technology in respective section: Halogen, Xeon and LED