The run time isn’t very long, but for those who prefer short walks at night, or who carry a second light, this form of illumination offers great protection from dogs, coyotes, etc.
http://store.xm42.com/default.asp
Here another competing, but more expensive brand. X15 Flamethrower
You are missing the one reason those are still legal in the us, killer bees.
It usefull when your lawn full of snow,fight element with element
California has already made them illegal, who could have seen that coming?