Aluminum frame, supporting directional reflector supplied with 117 white LED's. These LED's (Light Emitting Diodes) consume very little energy, while giving off light equivalent to 295 candelas or 150W; being low-tension, they are extremely reliable, and give off very little heat. LD1 will give decades of normal domestic use and, having no incandescent filament, is highly resistant to shocks and vibrations.