Yellow Jacket [$99] is a 650K-volt stun gun concealed inside a durable, lightweight iPhone case designed to provide consumers with peace of mind when they are out and about. Having a stun gun may sound dangerous, but like many professional self-defense items, it has a dual safety switch to prevent accidental discharge. The durable Yellow Jacket Phone Case protects your phone against accidental drops, bumps and bruises. In addition, it also holds an external battery that can double the life of your phone. The case is currently available for iPhone 4/4s and will be available for iPhone 5/5s early next year. It’s a great way to protect your phone and yourself because you know you’ll always have it on you.

Buy: Yellow Jacket Case