 It can incapacitate even the largest perpetrator for 30 to 40 minutes. You can hit a target 50 feet away if you're a halfway decent shot. It's legal in all 50 states. You don't need a permit. You don't need a background check. It is part of my everyday self-defense strategy. I have, God forbid I ever had to defend myself, I have a non-lethal option burner and I have a lethal option gun.