Also, it doesn't, you kno, actually DO anything, it's still just a translucent tube with a light in it, the light just happens to be a high powered laser. All of those safety warnings about its "devastating effects" are talking about what happens if you break it.
*Doomstein looks to his left, and reverently appreciates his 0 stainless steel FULL TANG 9/11 twin towers commemerative tribute katana, with crying bald eagle handle and star spangled scabbard*