This Cell Phone Stun Gun incorporates its unique design to give you a tactical advantage. Cell phones are carried by almost everyone these days. No one will think that yours is actually a non lethal self defense weapon. It also has a safety button to prevent the stun gun from accidentally discharging. This protection device disguised as an ordinary cell phone will give you the element of surprise when defending yourself from an attacker. It does not function as a cell phone but that's ok- you won't need to call for help! With this powerful 800,000 volt stun gun, you will be able to defend yourself with confidence. Cell Phone Stun Gun features a safety button to prevent accidental discharge. Includes a holster with a belt loop. Requires two CR123A (3 volt) lithium batteries—included!