FlashlightsA flashlight is a portable, hand-held light source that is powered by batteries. It typically consists of a casing that houses the battery and the light source, as well as a switch or button that is used to turn the light on and off. Flashlights are commonly used in a wide variety of applications, including outdoor activities, household tasks, and emergency situations. They can be used to provide illumination in dark or low-light conditions, and are an essential tool for anyone who works or spends time outdoors. Flashlights are available in a wide range of sizes, styles, and designs, and can use a variety of light sources, including incandescent bulbs, LED lights, and xenon lamps.