A flashlight is a conveyable lighting gadget powered by one or a number of batteries. It consists of a lightweight supply, usually an incandescent bulb, LED, or fluorescent lamp, and a reflector that directs the sunshine in a selected path. Flashlights are generally used for illuminating darkish areas, akin to throughout energy outages, tenting, and mountain climbing, and so they will also be used as signaling gadgets or for self-defense.
The primary flashlights have been invented within the late nineteenth century, and so they have since change into an important instrument for folks all over the world. Flashlights are comparatively cheap, simple to make use of, and might present a robust supply of sunshine in even the darkest of circumstances. They’re additionally sturdy and might face up to being dropped or knocked round, making them very best to be used in a wide range of conditions.