Within the range of led lamps you can find some small which are rechargeable, powerful and very useful.
These lamps are often specific applications and many times are known as tactical lamps. All these lamps are aluminum and very resistant, in addition to being designed with leds for energy savings.
In the video, you can see the part of a lamp led, batteries used, its handy size, accessories which brings integrated to better use, and how to submit it to certain tests are resistant.
In the case of this video, the person doing the review, says his experience by using one of these lamps for camping and how it was very useful in different circumstances.