You can power it using three AAA batteries in case you need to use it and it runs out of charge.
It comes with the option of medium, low and high illumination with the option of white lighting and red lighting.
It can fit comfortably on any head size since its headband is elastic.
It is effective for viewing nearby objects and those that are at quite at a distance.
You can use it to make distress calls using its emergency whistle.
It charges very fast.
The charging port is on the inside but it would be good if it was on the outside so that one can charge it on the go using a portable power source.