This product is an ideal defensive tool, the effect of shock is short: from (1-2 seconds) causes muscle spasms and fear, mean: from (1-3 seconds) can cause collapse and fainting the assailant will recover after some time, strong: from (4-5 seconds) causes shock and loss of orientation for a few minutes and can also cause collapse with loss of will in pursuing his criminal intent. In the long years in which the product has been used, it has been found that most of the time it has never reached contact, in fact the stunner (Flashlight) has a major psychological deterrent. Our advice, in the event of an attempt to assault, is to operate the shock several times without approaching so as to give the possibility of escape avoiding contact between the two people.