Yellow Jacket LLC, a Baton Rouge-based technology startup, has officially launched Yellow Jacket, a patent pending iPhone 4 and 4S case housing a 650,000-volt stun gun.

The case contains its own battery, which provides up to 20 additional hours of charge to the phone. Yellow Jacket was made for iPhone owners — working professionals, frequent travelers or students entering college — as a convenient, reliable and non-lethal form of self-defense.

The case allows the owner can flip a switch to toggle between charging the phone and having the stun gun in “ready” mode.

Inventor and co-founder Seth Froom, a former U.S. Army military policeman, devised the concept for Yellow Jacket after an armed robbery in 2011. Froom and co-founder, Sean Simone, partnered with leaders from the stun gun industry.

“Because of several recent local and national incidents, we feel that more people than ever are paying closer attention to personal safety. We combined a non-lethal form of self-defense with a technology that millions of Americans carry with them at all times,” Simone said in a news release.

The Yellow Jacket team launched a campaign via the crowd-funding platform about a month ago. So far almost 1,000 units have been ordered.