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Directional lamps are a key component of focal lighting and are most often used in retail, hospitality, residential, and museum applications. Conventional directional lamps are practical and relatively inexpensive, but higher efficacy LED alternatives have emerged. This DOE fact sheet discusses the attributes of conventional PAR-, AR-, BR-, and R-shaped lamps and compares the performance of LED products to that of incandescent, halogen, CFL, and CMH lamps.