Flashlights or as the rest of the World population calls them ‘torches’ are very commonly used for lighting up environment. Usually operating with the battery, they most commonly are used in a tube like shapes. Incandescent bulbs or LED’s are used inside the flashlight as a source of light. For switching the flashlight on or off, there is a switch with ON and OFF option which performs the required function respectively. It is very flexible to use a flashlight, since you can focus all the light on things that matter most. Also long tube-like design makes it easy to hold. Flashlights come very handy when you want to search for something in the dark and unlit areas during the night.
Some flashlights compromise on portability by using heavier incandescent bulbs or LED lights. But this compromise means you get more illumination in darker than the normal portable flashlight versions. Level of light required for certain task must be researched before choosing one of the two alternatives. Not just that, there are varieties of flashlights that come with plug, for charging from electrical outlets. Their rechargeable battery power the flashlight, after it has exhausted, they will need to be recharged for further operation, just like mobile phones. Of course, the heavier flashlights will be less portable than their lightweight tube like alternatives. Portability and amount of light required are most important features to look for before choosing any flashlight.
LED Torch Flashlights are not only used in daily household tasks, but also in many industries like military, firefighting, industrial plants, entertainment etc. as well. This owes to the fact that they are most viable option for lighting up dark and unlit areas at night. There are even flashlights designed specifically for catering needs of different fields of life.
Just take scuba diving as an example, where the diver needs sufficient light to fully benefit from the experience. For this purpose, headlamps are available which can be affixed to the headgear of diver, so that scuba diver gets free hands while diving, and enjoy the swimming experience completely. Military man can fix specifically designed flashlights to their rifles for keeping their hands free while they operate the gun. These headlamps are also useful during rescue operations such as firefighting, because they provide firefighters the ability to keep their hands free. There are even specifically designed explosion proof LED Zoomable Flashlights for tasks like metallic ore mining and coal mining. This ensures maximum safety of the miners.
Technological advancements and design innovations are the most common cause of so many available varieties of flashlights. Technology gives the best possible results, while design makes them suitable for working in specific fields. Since, many kinds of light intensities are available for flashlights, one should choose the one which fulfills all requirements.