Penlights are great tools for police, medical professionals, and military. For police, a penlight can be used to check the hard to reach spaces in a suspects car. For medical professionals, it can be used to preform neuro checks. And for military and other outdoors men, it can be used to read maps in dark environments. Those are just a few of the many uses a penlight offers. Purchase one for yourself and you'll be finding new ways to use your penlight in no time!