Flashlights are portable devices that give light. A basic flashlight consists of a bulb, a lens to protect the bulb, a battery to provide it with power and a switch. One can find different types of flashlights in the market. While some are bigger in size, one can also find flashlights of small sizes as well. Depending on the use which a person a might have, he or she can purchase the flashlight of his or her choice. Now-a-days, flashlights are also available in cell phones. Many cell phone manufacturers add a flashlight in the phones in order to add more features to it. These flashlights are tiny, but they provide adequate amount of light. It is a useful device and is purchased by many individuals and families. The beam of light allows a person to see in darkness and, its flexibility makes it easy to use. It is easy to carry and one does not need to depend on an outer source to power it up. These are some of the qualities due to which flashlights are very popular and one of the most sought after consumer electronics.