Make sure safety pin is in unit!

I tried to use unit right out of box and only flashlight worked. Then I charged and still same issue. I was preparing to return unit and I noticed the safety pin loose on my counter! The unit now works properly with safety pin IN the unit when firing. I give only 4 stars because this is something that should not be loose and should be attached to unit. Perhaps it was attached to unit and I am going senile and took it out! BTW: There were also no safety pin instructions on directions but perhaps I missed it because the fine print was too small!

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