A flashlight is a transportable lighting system powered by one or a number of batteries. It consists of a lightweight supply, sometimes an incandescent bulb, LED, or fluorescent lamp, and a reflector that directs the sunshine in a particular course. Flashlights are generally used for illuminating darkish areas, equivalent to throughout energy outages, tenting, and climbing, they usually will also be used as signaling gadgets or for self-defense.
The primary flashlights had been invented within the late nineteenth century, they usually have since grow to be a necessary software for individuals all over the world. Flashlights are comparatively cheap, simple to make use of, and may present a robust supply of sunshine in even the darkest of circumstances. They’re additionally sturdy and may face up to being dropped or knocked round, making them preferrred to be used in quite a lot of conditions.
