The Yellow Jacket is a disruptive technology made just for your smartphone. Our patent-pending 3 in 1 solution provides protection for your phone, 20 additional hours of battery time and a 650,000V stun gun for personal protection. Seth Froom, the inventor, designed a smartphone case that houses a contact stun gun inside. This is meant to provide 2 convenient benefits to the owner: protection from a robber/attacker and protection of the phone. Please check out the product and its features online at www.yellowjacketcase.com