The Yellow Jacket iPhone Stun Gun Case is perfect for girls who need a protection. As its name suggests, it is a combination of an iPhone case and a stunt gun. The case contains a 650K volt stun gun, which is capable of taking down an attacker. The stunt gun is powered by its own external battery. This external battery also offers up to 20-hour of additional standby time for your iPhone. Watch the video after the jump.