Cell Phone Stungun -1.2Million Volts
An attacker can be immobilized for several minutes with no permanent harm. Stun guns are considered reasonable force to resist attack. They can be used many times to ward off attackers before the battery needs recharging.
Effects and Safety - The stun gun does not merely rely on pain for results. The stun gun works on the muscular and neural system. When 3-5 seconds of contact is made with the stun gun, an assailant's neuromuscular system is overwhelmed and controlled, causing loss of balance and muscle control, confusion and disorientation. The effect on the heart is insignificant. It takes 5 to 10 minutes for full recovery.
Even if the assailant is touching you, there is no way the current will pass to you. There is no shock-back