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LED Lights
A flashlight is a portable electric spotlight which emits light from a small incandescent lightbulb, or from one or more light-emitting diodes (LEDs). Recently, flashlights which use light-emitting diodes (LEDs) instead of conventional lightbulbs have become available. LEDs can be significantly more efficient at lower power levels and so use less battery energy than ordinary lightbulbs. Such flashlights have longer battery lifetimes, in some cases hundreds of hours, although the LED efficiency advantage diminishes at higher power levels. LEDs also survive sharp blows that often break conventional lightbulbs.